Planning a trip to Hawaii and wondering what to do on Oahu? This island has a little of everything: beaches with water so clear you’ll think it was made for postcards, trails that wind up volcanic ridges for sunrise views, historic landmarks that shaped world history, and even golf courses perched above turquoise seas.
One day you can be snorkeling with tropical fish, and the next you’re standing at Pearl Harbor, reflecting on the events of December 7, 1941. Whether you’re traveling solo, visiting with friends, or stationed in the Pacific and looking for a getaway, Oahu delivers adventure, beauty, and history in equal measure
Go to a Beach!
If you’re asking what to do on Oahu, the first answer is simple: go to the beach. The island’s coastline is unmatched, with stretches of golden sand, turquoise water, and backdrops ranging from city skylines to volcanic cliffs. Every beach has its own personality, some buzzing with energy (e.g., Waikiki), others feeling almost untouched (e.g., Diamond Head Beach Park). Whether you want to surf, snorkel, or just nap in the sun, Oahu has a spot waiting for you.
My Personal Favorites
For a full day of swimming and lounging, I keep going back to Lanikai Beach and Makapuʻu Beach Park. Both are less crowded, the water is calm, and the sand feels like silk under my feet. For sunsets, nothing beats Sunset Beach, with Laniakea Beach and Waikiki Beach close behind. And for solitude, I’ll never forget setting up my hammock at Diamond Head Beach Park, where I watched the moonrise in perfect silence; well, with the exception of the waves crashing in front of me.
Waikiki Beach
Waikiki is the beating heart of Oahu’s beach scene. Famous around the world, it stretches along Honolulu’s shoreline with views of Diamond Head in the distance. For that reason, it’s crowded year-round. You’ll still be able to find some real estate, but you’ll have to search for it. Nevertheless, the waves are gentle, making it one of the best spots for beginner surfers. Rent a board or take a lesson right on the sand, and you’ll see why Waikiki has launched so many surfing careers.
But Waikiki isn’t just about the water. Kalākaua Avenue runs parallel to the beach, packed with shops, restaurants, and performers that keep the area alive day and night. I highly recommend Maui Brewing Company for a craft beer if you’re ever in need of a pick-me-up on a hot day. But, even if crowds aren’t your thing, it’s worth experiencing at least once.
Ala Moana Beach Park
Located just west of Waikiki, Ala Moana offers a calmer alternative. The beach stretches along a protected lagoon, so the water stays flat and clear. Families love it, and paddleboarders glide across the surface without worrying about waves. There was even a pick-up game of water polo going on each time I visited! The park itself has plenty of shady trees, picnic tables, and jogging paths, so it feels more relaxed than Waikiki.
What sets Ala Moana apart is its location. Right across the street is Ala Moana Center, one of the largest open-air shopping malls in the world. You can spend the morning browsing shops, then cross over for an afternoon swim. For a low-key beach day near the city, this spot checks every box.
Fort DeRussy Beach
Fort DeRussy is one of those places people often skip while heading straight to Waikiki, but it deserves attention. The wide stretch of sand is less crowded, and the water is calm enough for a refreshing dip. It’s a popular choice for locals who want the Waikiki atmosphere without the heavy tourist scene.
Behind the beach, there’s a large park perfect for picnics or tossing a frisbee. It’s also home to the U.S. Army Museum of Hawaii, which adds a unique cultural angle to a beach trip. If you want something central yet a little quieter, Fort DeRussy delivers.
Diamond Head Beach Park (my second favorite)
Diamond Head Beach Park is a hidden retreat tucked beneath Oahu’s most famous crater. The beach is narrower than others, with tidepools scattered along the rocky shoreline, but that’s part of its charm. It rarely draws large crowds, so you can find a patch of sand and feel like you have the place to yourself.
The views here are dramatic. Towering cliffs frame the beach, and surfers ride waves that break far offshore. During my visit, I hung a hammock between two palms and watched the moonrise over the ocean. That quiet evening ended up being one of the most peaceful moments of my trip.
Makapuʻu Beach Park
Makapuʻu feels wild and rugged, with its turquoise waters framed by steep volcanic cliffs. The waves here can be intense, making it a hotspot for experienced bodysurfers, though on calmer days it’s perfect for swimming. The setting is postcard-worthy, with Rabbit Island sitting just offshore.
If you’re an early riser, Makapuʻu is also a fantastic sunrise spot. The first rays of light stretch across the Pacific and illuminate the cliffs in golden tones. Between the scenery and the energy of the waves, it’s one of Oahu’s most memorable coastal stops.
Bellows Field Beach
Reserved for those with DoD access, Bellows is one of the island’s best-kept secrets. The sand is impossibly soft, almost powder-like, and the water is crystal clear. It never feels crowded, which makes it an ideal place to escape the busier beaches.
Parking is close to the sand, so you don’t have to haul gear very far. If you’re looking for more than a day trip, the site offers camping and cabins right by the beach. Even though I personally had a run-in with too many centipedes at one of the cabins, others swear it’s one of the most memorable experiences on Oahu, maybe even in the DoD.
Lanikai Beach (my favorite, as seen from the Lanikai Pillbox)
Lanikai is often called one of the most beautiful beaches in the world—and it lives up to the hype. The sand is fine and white, the water calm and clear, and the view of the twin Mokulua Islands makes the whole scene look like a painting. It’s the kind of place where time seems to slow down.
Kayakers often paddle out to the islands, while swimmers and snorkelers explore the gentle reefs close to shore. It’s not a large beach, so parking can be tricky, but once you’re there, you’ll see why it’s considered the crown jewel of Oahu’s coastline.
Secret Beach
Tucked away near Kaneohe, Secret Beach is exactly what the name promises: a quiet, hidden spot. If you’re looking for a beach that’s kid- and family-friendly, then look no further. Honestly, I felt a tad out of place when I visited because I was the only one without kids. As with Bellows though, this beach is reserved only for those with DoD access since it’s on Marine Corps Base Hawaii (MCBH). But the coolest part is that you have to drive across an airstrip to get there!
When you arrive, you’ll likely find just a handful of people scattered along the sand. The water is calm, the scenery peaceful, and the atmosphere feels worlds away from Honolulu. If you’re searching for privacy, this is the place.
Laniakea Beach
Also known as Turtle Beach, Laniakea is famous for its residents—Hawaiian green sea turtles! These friendly giants often crawl ashore to bask in the sun. Seeing them up close is unforgettable, but remember to keep your distance since they’re protected.
Beyond the turtles, Laniakea is a beautiful North Shore spot. Waves can get rough in the winter months, so it’s not always ideal for swimming, but in the summer it’s just right. It’s also unbeatable for wildlife viewing and photography. Catching a sunset here while turtles rest on the sand is a memory you won’t soon forget.
Sunset Beach
The name says it all: Sunset Beach is the ultimate place to watch the day fade away. Located on the North Shore, this stretch of sand is famous for both its golden-hour views and its massive winter waves. From November to February, Sunset Beach hosts world-class surf competitions, with waves that can tower over 20 feet.
In the summer, the water calms down, and Sunset becomes an amazing swimming and snorkeling spot. Regardless of when you visit, stick around for the evening. Spread out a blanket, sit back, and watch the sky explode into colors as the sun sinks behind the horizon. It’s a moment that sums up everything people imagine when they picture what to do in Oahu.
Go Snorkeling
If you’re wondering what to do on Oahu beyond lounging on the sand, snorkeling should be at the top of your list. The island is surrounded by reefs, lagoons, and bays that make it one of the best places in Hawaii to see marine life up close. From colorful fish darting through corals to green sea turtles gliding just below the surface, Oahu’s underwater world is nothing short of magical.
My Personal Favorites
The most unforgettable snorkeling I experienced (while in Hawaii at least) was at Shark’s Cove. Shark’s Cove was raw and wild, filled with sea life in every corner. Additionally, Hanauma Bay is like swimming inside an aquarium. Electric Beach is another standout for its unique water conditions and sheer variety of fish.
Hanauma Bay Nature Preserve
Hanauma Bay is Oahu’s most famous snorkeling spot, and for good reason. The bay is actually a volcanic crater, flooded by the ocean and now home to an incredible reef system. Protected as a nature preserve, the waters are teeming with parrotfish, butterflyfish, and the occasional green sea turtle.
Visitors watch a short conservation video before entering, a reminder of the importance of protecting this fragile ecosystem. Once in the water, you’ll find clear visibility and an easy entry from the sandy beach. Despite its popularity, Hanauma Bay remains a must-visit. It’s beginner-friendly, beautiful, and full of life.
Shark’s Cove
Located on the North Shore, Shark’s Cove is not nearly as intimidating as the name suggests. The cove is part of Pupukea Beach Park and is famous for its rocky underwater formations, caves, and tide pools. The snorkeling here feels more rugged than Hanauma Bay, with schools of colorful fish darting around every corner.
In the summer, the water is calm and perfect for exploring. But during winter, waves can become dangerous, so it’s best left to surfers. The tradeoff for its seasonal accessibility is that Shark’s Cove delivers one of the most authentic snorkeling experiences on Oahu.
Electric Beach (Kahe Point)
Electric Beach, just west of Honolulu, gets its name from the nearby power plant. Warm water outflows from the plant create currents that attract a huge variety of marine life. Snorkelers often see schools of tropical fish, sea turtles, and sometimes even dolphins just offshore.
The entry point requires swimming out a little farther than other beaches, but the payoff is worth it. Once you reach the reef, the amount of life buzzing around is staggering. If you’re comfortable in deeper water, Electric Beach is one of the most rewarding spots to snorkel on the island.
Go Hiking
If you’re still asking yourself what to do on Oahu after hitting the beaches and snorkeling spots, hiking should be next. The island’s trails offer everything from short coastal walks to steep climbs leading to jaw-dropping panoramic views. Oahu’s diverse terrain of rainforests, volcanic ridges, and dramatic cliffs make it a hiker’s paradise, no matter your fitness level.
My Personal Favorites
The most rewarding hikes I did were Mt. Kaʻala and the Lanikai Pillbox Trail. Also noteworthy is the world-famous Diamond Head Summit Trail due to it’s iconic views of Waikiki and surprisingly approachable grade. However, Lanikai at sunrise will give you one of the best views of you entire trip. For a serious challenge, I’ll never forget tackling Mt. Kaʻala, Oahu’s highest peak. And for something short but stunning, the Makapuʻu Point Lighthouse Trail delivered sweeping views of (almost) the entire Hawaiian chain on a clear day.
Diamond Head Summit Trail
Diamond Head is the most famous hike on Oahu, and it lives up to the hype. The trail winds up the inside of a volcanic crater before climbing to a lookout above Waikiki. The climb isn’t long (just under two miles round trip) but the last stretch is steep, with staircases that get your heart racing.
From the summit, you’ll see Waikiki’s skyline, the endless Pacific, and sometimes even migrating whales in the winter. Because it’s so popular, reservations are required, and mornings are the best time to beat the heat. Despite the crowds, Diamond Head is one of those “must-do” hikes that truly defines Oahu.
Lanikai Pillbox Hike
For a sunrise experience, the Lanikai Pillbox hike is unbeatable. The trail climbs above the town of Kailua, leading to old World War II bunkers, or “pillboxes,” that now serve as viewing platforms. The path is short but steep, rewarding you with views of the turquoise Lanikai waters and the twin Mokulua Islands offshore.
Hiking this trail in the early morning is magical. The sky shifts from deep purple to fiery orange as the sun rises over the ocean. Sitting on one of the pillboxes while the island wakes up feels like a scene out of a movie. It’s easily one of the most memorable things to do on Oahu.
Ehukai Pillbox (Sunset Bunker)
Another pillbox hike worth tackling is the Ehukai Bunker Trail near Sunset Beach. Starting behind Sunset Beach Elementary School, the trail climbs through forested terrain to an old military bunker perched above the North Shore. From the top, you’ll get sweeping views of Sunset Beach, the Banzai Pipeline (in winter), and the surrounding coastline.
The hike isn’t long, but it can be hot and humid, so bring water. What makes this trail special is the perspective in that you’re looking down at some of the most famous surf breaks in the world. It’s a reminder of how much natural beauty Oahu packs into every corner.
Mt. Kaʻala
For serious hikers, Mt. Kaʻala is the ultimate challenge on Oahu. Standing at 4,025 feet, it’s the island’s highest peak, and the climb is no joke. The trail is long, rugged, and steep, often requiring ropes and scrambling over rocks. Thankfully, the ropes are already in-place; you don’t need to bring any. You’ll pass through dense rainforest, boggy sections, and ridges with drop-offs that will test your nerve.
But the payoff is incredible. On clear days, the summit offers sweeping views of the entire island, from the North Shore to Honolulu. Hiking Mt. Kaʻala feels like an accomplishment, and while it’s not for everyone, it’s one of the most rewarding outdoor adventures on Oahu.
Manoa Falls Trail
For something gentler, Manoa Falls is a great choice for everyone. Just outside Honolulu, this trail winds through lush rainforest before arriving at a 150-foot waterfall. The path is short (about 1.6 miles round trip) making it perfect for families or anyone looking for a low-effort hike with a big payoff. For reference, I did it in $20 slides from Costco and survived.
The trail can be muddy, especially after rain, so bring sturdy shoes (learn from my mistake). The waterfall itself is stunning, cascading down a cliff into a pool surrounded by greenery. While you can’t swim here, the setting feels like a scene straight out of Jurassic Park, which makes sense because parts of the movie were filmed nearby!
Makapuʻu Point Lighthouse Trail
The Makapuʻu Point Lighthouse Trail is a short, paved hike that packs in some of the best views on Oahu. Climbing gently up the southeastern tip of the island, the trail leads to a historic red-roofed lighthouse perched above the cliffs. Along the way, you’ll get panoramic views of the coastline and offshore islets.
On a clear day, you can see all the way to Molokaʻi, Lānaʻi, and even Maui. In winter, humpback whales are often spotted breaching offshore. Because it’s only about two miles round trip, this hike is doable for just about anyone, but the views make it feel larger than life.
Play a Round of Golf
Even if golf isn’t at the top of your Oahu to-do list, playing a round here is something special. The island’s courses combine world-class design with scenery that feels almost unreal. Picture towering mountains on one side, and the endless Pacific on the other as you tee off in perfect, 80-degree weather. It’s one of the few places where you’ll be just as distracted by the views as you are focused on your swing.
My Personal Favorite
I only played at Kaneohe Klipper Golf Course, but it left such an impression that I’d put it at the very top of any golfer’s Oahu itinerary. Nicknamed the “Pebble Beach of the DoD,” it’s an experience that goes far beyond just hitting the ball down the fairway. If you’re looking for a second option open to the public, Ko Olina Golf Club is another solid choice, offering a luxury course layout on the island’s west side.
Kaneohe Klipper Golf Course
Located on Marine Corps Base Hawaii in Kaneohe Bay, Kaneohe Klipper Golf Course is unlike anywhere else you’ll ever play. The back nine runs right along the coast, with the Pacific crashing against the rocks just steps from the fairway. The signature Hole 13, in particular, is jaw-dropping—you’re teeing off with nothing but ocean in the background and mountains behind you.
What makes Klipper so memorable isn’t just the course design but the atmosphere. It feels secluded, raw, and dramatic, almost like the island itself is showing off. They rent clubs, so you don’t have to lug your own across the Pacific. Even if you’re not a die-hard golfer, playing here is worth it for the views alone.
Ko Olina Golf Club
For those without access to DoD facilities, Ko Olina Golf Club on the leeward (west) side of Oahu is a fantastic alternative. Designed by Ted Robinson, this championship-level course winds through water features, tropical landscaping, and wide fairways. It’s also located near Ko Olina’s resort area, so you can easily combine a round with a beach day or dinner by the water.
The course is polished and more of a “resort golf” vibe compared to Klipper’s raw beauty, but it still delivers on the Hawaiian atmosphere. If you’re looking to play somewhere accessible, scenic, and well-maintained, Ko Olina is the next best choice.
Catch a Sunset
No trip to Oahu feels complete without stopping to watch the sun dip into the Pacific. The island’s western horizon delivers some of the most breathtaking displays you’ll ever see. From golden beaches to rugged cliffs, there’s a spot for every kind of sunset chaser. Watching the sky turn orange, pink, and purple is one of the simplest but most memorable experiences you can have here.
My Personal Favorites
If you’re planning what to do on Oahu during the evening, I’d start with Sunset Beach for its name alone. Laniakea Beach comes next, with its mix of glowing skies and turtle sightings, while China Walls offers something completely different: reflections of the sun in tidal pools and waves crashing against the rocks. Beyond those, Kaʻena Point State Park, Ehukai Bunker, Ala Moana Regional Park, and Waikiki Beach round out the list of my favorite places to end the day.
Sunset Beach
The name says it all—Sunset Beach is the ultimate place to watch the day fade away. Located on the North Shore, this stretch of sand is famous for both its golden-hour views and its massive winter waves. From November to February, it hosts world-class surf competitions, with swells that can tower over 20 feet.
In summer, the water is much calmer, which makes it easier to swim or snorkel before settling in for the evening show. The combination of peaceful ocean, fiery skies, and long stretches of sand makes Sunset Beach one of the most iconic locations on Oahu.
Laniakea Beach
Known for its green sea turtles, Laniakea Beach offers a sunset experience you won’t forget. Locals call it “Turtle Beach” for good reason—you can often see these massive creatures basking on the shore.
Pair that with the fading colors of the day, and you’ll find yourself in one of the most picturesque spots on the island. If you’re deciding what to do on Oahu that mixes wildlife and scenery, Laniakea deserves a spot on your itinerary.
China Walls
Unlike the sandy beaches, China Walls is a rocky outcropping on Oahu’s southeastern coast. As waves crash against the cliffs, they leave behind shallow pools of water that turn into natural mirrors at sunset. When the sky starts glowing, these pools reflect the colors perfectly, creating surreal photo opportunities.
It’s also a local favorite for cliff jumping, though that comes with risks. Whether you jump in or stay dry, the view alone makes this one of the most unique sunset spots on the island.
Kaʻena Point State Park
At the far western tip of Oahu lies Kaʻena Point State Park, where the sunsets feel completely untouched by the modern world. Getting there requires a bit of a drive, but the reward is a raw, dramatic coastline that feels worlds away from Waikiki’s bustle.
The sun drops directly into the ocean here, often framed by rugged cliffs and crashing surf. If you want a sunset that feels wild and remote, this is the place to go.
Ehukai Bunker
Perched above the North Shore, the Ehukai Bunker hike rewards you with panoramic views of the coastline. As the sun lowers, the whole horizon glows, and you can watch the light shift across the ocean below.
It’s a quieter, less crowded way to enjoy the evening, especially if you want both a short hike and a sweeping view. Bring a blanket or just sit on the concrete structure itself to soak it all in.
Ala Moana Regional Park (Magic Island)
Right near Honolulu, Ala Moana Regional Park—also known as Magic Island—offers one of the easiest sunset spots to reach. Locals and visitors gather here to watch the sky light up while surfers ride the last waves of the day.
The mix of palm trees, calm lagoons, and a backdrop of Waikiki’s skyline make it a photogenic setting. If you want a sunset that balances convenience with beauty, this park is a perfect choice.
Waikiki Beach
Though it’s often crowded, Waikiki Beach still delivers unforgettable sunsets. With Diamond Head in the distance and catamarans gliding across the water, the view feels straight out of a postcard.
Grab a seat on the sand, sip a mai tai at a beachfront bar, or hop on a sunset cruise for a different perspective. No matter how you experience it, Waikiki sunsets are iconic for a reason.
Visit Pearl Harbor and the USS Arizona Memorial
History runs deep on Oahu, and nowhere is that more evident than at Pearl Harbor. Visiting this site isn’t just another thing to check off the list, it’s an opportunity to stand where history changed forever on December 7, 1941. From powerful memorials to detailed museums, Pearl Harbor offers one of the most meaningful experiences on the island.
My Personal Take
If you’re looking for what to do on Oahu beyond beaches and hikes, this should be near the top of your list. If you plan to visit the USS Arizona Memorial, it’ll require a reservation through recreation.gov, so plan well in advance. But even if you don’t make it out to the memorial itself, the Pearl Harbor National Memorial grounds and the museum are worth the trip. The stories, artifacts, and exhibits bring the events of that day into sharp focus.
USS Arizona Memorial
The USS Arizona Memorial is the centerpiece of Pearl Harbor. To get there, you board a small ferry that carries you across the harbor to the striking white structure that rests above the sunken battleship. Oil still seeps from the wreckage, rising to the surface like dark tears. Standing there, you can see the names of the sailors and Marines engraved on the wall, a quiet but powerful tribute.
It’s not a long visit, but it leaves a lasting impact. The silence inside the memorial, interrupted only by waves and the occasional sound of the flag above, creates a moment of reflection unlike anything else on Oahu.
Pearl Harbor National Memorial Grounds
Even without a reservation for the USS Arizona, there’s still plenty to see on shore. The visitor center features a well-curated museum that tells the story of how the attack unfolded. Maps, artifacts, and personal accounts give a vivid sense of what it was like on that morning in 1941.
Walking the grounds, you’ll also find monuments dedicated to other ships and servicemembers who fought that day. The exhibits provide historical context that helps you understand not just what happened, but how it shaped the course of the war and the world.
Other Historic Sites
Pearl Harbor is more than just the Arizona Memorial. If you have the time, you can also visit the USS Bowfin Submarine Museum, the Battleship Missouri, or the Pacific Aviation Museum, all located nearby. Each adds another layer to the story of World War II in the Pacific.
For example, standing on the deck of the USS Missouri, where the Japanese formally surrendered, connects the beginning and the end of the conflict in a single place. It’s a reminder of both the cost of war and the resilience that followed.
In conclusion
Oahu is more than just a vacation spot. It’s one of the most beautiful and dynamic places in the United States. The beaches, hikes, sunsets, and history combine to create an experience that feels both timeless and unforgettable. You’ll find yourself lingering on sandy shores, staring out over volcanic cliffs, or quietly reflecting at Pearl Harbor, and each moment will remind you that Hawaii is a place unlike anywhere else.
No matter how you choose to spend your time, you can’t go wrong. Maybe you’ll hike up to a pillbox at sunrise, or spend the afternoon floating in the calm waters at Lanikai Beach. Perhaps you’ll play a round at the Kaneohe Klipper Golf Course, or chase a sunset at China Walls. Oahu invites you to slow down, take it all in, and embrace the rhythm of island life. If you’re asking yourself what to do on Oahu, the answer is simple: just go, explore, and let the island take care of the rest.
Stationed out there or just taking a visit?
Hi Nate,
I was just visiting. I was lucky enough to TDY here for 7 weeks if you can believe it!