Last Updated on July 21, 2024 by Nikole

If you are looking for something to do in Oahu Hawaii, get ready to dive into the beautiful underwater world of Oahu, Hawaii.

If you’re looking for the best snorkeling spots in Oahu, Hawaii, you’re in for a treat! Discover crystal-clear waters, vibrant marine life, and stunning coral reefs at these top 11 snorkeling locations, including Hanauma Bay, Shark’s Cove, and Kuilima Cove.

Before you grab your snorkel and fins, there are a few things you should know to ensure a safe and enjoyable experience.

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What to Know Before Snorkeling in Oahu

You may try to find the perfect hiking spot in Oahu, or maybe you are riding along a scenic route in Hawaii and you stumble upon a pristine beach. That’s why it’s important to always be ready for the perfect adventure.

Plan a snorkeling trip in Oahu by mapping snorkel locations and reviewing safety measures like reef-safe sunscreen, poisonous ocean life, and box jellyfish.

Use Reef Safe Sunscreen

Protecting your skin from the sun’s rays is essential, but it’s important to choose a sunscreen that is safe for the delicate marine environment.

Look for reef-safe sunscreen, such as the SPF 50 Sun Bum brand, options that are free of harmful chemicals such as oxybenzone and octinoxate, which can be damaging to coral reefs and marine life.

When to Go Snorkeling In Oahu Hawaii

The best time to go snorkeling in Oahu is summertime when the surf is down.

Snorkeling in the winter in Oahu should be avoided because the surf is up and the current is stronger. Wintertime snorkeling also interferes with surfers, which poses yet another threat.

Be Aware of Poisonous Ocean Life

While Oahu’s waters are teeming with beautiful marine creatures, it’s important to be aware of potentially harmful species.

Keep an eye out for sea urchins, lionfish, and other venomous creatures, and avoid touching or disturbing them.

You can brush up on some of these poisonous creatures at LivingHawaii.com and learn how to deal with stings, cuts, and abrasions.

Avoid Box Jellyfish Season

Box jellyfish are known to frequent the waters around Oahu during certain times of the year, particularly during the summer months. We happened to visit when it was Box Jellyfish season, but thankfully we never got stung.

You can check the local jellyfish forecast here before heading out for a snorkeling excursion, and consider wearing a protective rash guard for added peace of mind.

Obey Laws

Respecting the natural environment is crucial when snorkeling, hiking, or looking for waterfalls in Oahu.

Avoid stepping on or touching coral, as it is a delicate and vital part of the marine ecosystem. Additionally, refrain from capturing or disturbing any wildlife you encounter during your snorkeling adventures.

Now that you’re armed with the essential knowledge for a safe and responsible snorkeling experience, let’s explore some of the best snorkeling spots Oahu has to offer.

1. Snorkeling at Kuilima Cove

Located on the North Shore of Oahu is Kuilima Cove at Turtle Bay.

The cove is also protected by a natural breakwater, making it a great spot for beginners or those looking for a more relaxed snorkeling experience.

Keep in mind that the hotel guests at Turtle Bay have priority access to the area and the staff will not allow outsiders to use chairs, umbrellas, or rentals. We learned this the hard way and almost got kicked out of the area.

If you are located in Waikikii with no transportation I recommend taking a tour such as the Ultimate Grand Oahu Circle Island Tour with Snorkeling and More. This tour takes you to Turtle Bay (along with several other stops) in an air-conditioned bus and even gives you rental snorkel equipment.

P.S. This is a fairly cheap tour ($95) considering you get snacks, equipment, and transportation.

2. Snorkeling at Hanauma Bay

Hanauma Bay is a world-renowned nature preserve and marine sanctuary, offering some of the most spectacular snorkeling opportunities on the island.

The bay’s crystal-clear waters are home to abundant marine life, including colorful fish, coral reefs, and even the occasional reef shark- Which makes Hanauma Bay the Best snorkeling spot in Oahu.

While Hanauma Bay is popular and can get crowded, the snorkeling experience here is truly unparalleled.

Tour Info

Here’s the deal, you can either go without a guide and rent your equipment and transport yourself to Hanauma Bay or you can purchase one of several packages.

The first package is the Hanauma Bay Snorkel Tour with Expert Guide & Waikiki Transportation which includes:

• A guided tour snorkeling Haunama Bay
• Snorkel gear rental equipment
• Transportation from Waikikii
• Pictures taken by your guide and made downloadable on the website
• 4 to 4.5 hours of unforgettable fun!

The Second Package is the Hanauma Bay Self-Guided Snorkel Tour & Gear Rental with Hotel Transportation which includes:

• Transportation from Waikikii and back
• Top-of-the-line snorkel gear
• Beach accessories
• 5 hours of snorkel time!

3. Shark’s Cove

Don’t let the name intimidate you—Shark’s Cove is actually a haven for snorkelers seeking an unforgettable underwater adventure.

Located on Oahu’s North Shore, Shark’s Cove boasts an impressive array of marine life, including sea turtles, eels, and vibrant coral formations.

The cove’s unique rock formations create a maze of underwater tunnels and crevices to explore, making it a favorite among experienced snorkelers.

4. Waimea Bay

Known for its legendary surf breaks, Waimea Bay also offers fantastic snorkeling opportunities during the summer months when the water is calm.

The bay’s clear waters are home to an abundance of marine life, and the surrounding cliffs and lush greenery make for a stunning backdrop.

5. Three Tables

Named for its three flat reef formations that resemble tables, Three Tables is another must-visit snorkeling spot on Oahu’s North Shore.

The calm, shallow waters make it an excellent location for snorkelers of all levels, and the vibrant coral formations are teeming with marine life.

6. Kahala Beach

Located near Honolulu, Kahala Beach offers a serene and secluded snorkeling experience away from the hustle and bustle of the city.

The calm waters and gentle waves make it an ideal spot for beginners, while still offering plenty of opportunities to encounter colorful fish and other marine creatures.

The beach’s offshore reef provides a natural barrier, creating a safe and tranquil environment for snorkelers.

7. Papaoneone Beach

Papaoneone Beach, also known as Cromwell’s Beach, is a hidden gem and the best place to snorkel near Waikiki and Diamond Head. The beach’s shallow waters and protective reef make it an excellent spot for snorkeling, especially during calm conditions.

8. Ko Olina

Ko Olina is home to several stunning lagoons that offer fantastic snorkeling opportunities. The calm, clear waters are perfect for spotting colorful fish, sea turtles, and other marine life.

The lagoons are also equipped with convenient amenities such as showers and restrooms, making them an ideal choice for families and snorkelers looking for a comfortable and relaxing experience.

9. He’eia State Park

He’eia State Park offers a unique snorkeling experience with its calm waters and abundant marine life.

The park’s offshore reef provides a natural barrier against strong currents, creating a safe and tranquil environment for snorkelers to explore.

Snorkeling Companies in O’ahu Hawaii

If you’re looking to enhance your snorkeling experience with guided tours or equipment rentals, there are several reputable companies in Oahu that can help make your underwater adventure unforgettable.

1. Snorkel Bobs

Snorkel Bobs offers a wide range of snorkeling gear rentals and guided tours to some of Oahu’s best snorkeling spots.

With multiple locations across the island, they provide convenient access to high-quality equipment and expert guidance for snorkelers of all levels.

Snorkel Bobs may be more for the advanced snorkelers and their shop was a bit pricey when we visited.

2. Kailua Beach Adventures

Specializing in eco-friendly ocean adventures, Kailua Beach Adventures offers guided kayak and snorkel tours to explore Oahu’s stunning coastline.

Their knowledgeable guides provide insights into the island’s marine ecology while ensuring a safe and enjoyable experience for all participants.

3. Bonzai Divers Hawaii

For those seeking a more immersive snorkeling experience, Bonzai Divers Hawaii offers guided snorkeling tours led by experienced instructors.

Their small group tours cater to both beginners and experienced snorkelers, providing personalized attention and insights into Oahu’s diverse marine life.

4. Purchase Before You Go

Because Hawaii tends to be more expensive, I recommend purchasing your snorkel gear before you go. You can add it to your things to pack for Hawaii.

The Cressi Adult Snorkel Set offers a snug fit for carry-on suitcases and does pretty well in the water as far as visibility and fit are concerned.

My personal type of snorkel set is the full-face mask such as the Viginsul brand. This snorkel set is said to have great antifog capabilities and fits great.

In Conclusion

Whether you’re a seasoned snorkeler or new to exploring the underwater world, Oahu offers an abundance of breathtaking snorkeling spots waiting to be discovered.

From vibrant coral reefs to diverse marine life, each location has its own unique charm and beauty, promising an unforgettable adventure beneath the waves.

So grab your gear, lather on some reef-safe sunscreen, and get ready to embark on an aquatic journey unlike any other in Oahu, Hawaii!