Top picks for Oahu API only

Discover 24 API only in Oahu on Trip.com, updated 6 November 2026, with experiences lasting from 1 to 5 hours. Find the perfect adventure for your day!

From US$25.00 per person, with an average total of US$132.69. Choose the option that suits your plan.

With 4.017k verified reviews, API only Oahu boast an average rating of 4.8.

This week's most popular API only: "Kona Manta Ray Snorkel Tour Guaranteed or come again free", with 1.64k reviews and a 4.7 rating.

Now on Trip.com: "Swim with Dolphins Catamaran with Waterslide & Lunch on Oahu", a 4-hour adventure in Oahu!

The next available day tour departs on 7 November 2026. Book now to secure your spot!

Oahu API only usually take about 4 hours — perfect for a relaxed, immersive experience!

100% of Oahu API only now offer English-speaking guides

November is the perfect time to visit Oahu! Choose from 24 available day tours, including seasonal favorites like Kona Manta Ray Snorkel Tour Guaranteed or come again free.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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24 results for Oahu API only

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API only

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RecommendedAttractions (4837)Boat tours (136)Shows & events (24)Day tours (285)Food & drink (12)Outdoor & sports (83)Culture & history (56)Nature & wildlife (62)Water activities (125)City sightseeing (12)Spa & wellness (1)Travel photography (8)SIM card (36)

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Reviews/Trip Moments

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Reviews: Swim with Dolphins Catamaran with Waterslide & Lunch on Oahu
Guest User2024-09-06
Mahalo Mahalo Mahalo to Team Poseidon! The most amazing 4 hrs at Oahu's western coastline. We were able to see a pod of spinner dolphins within 5mins of cruising. After a while, we were informed of spotting pilot whales by the direction we are heading to, we had the 1st/2nd jump off the ocean and they say these massive creatures (big in size after orca's) seldom show up. The crew ---Elena, Traviz, Hayato, Brooke, Abby, Jerome, Shanty and Matt (i hope i got all their names correct) were all professional, guides and helps you all the way, and keep everyone safe and ensures to enjoy every moment onboard. They feed you infos that are all useful, please listen on the safety instructions and ensure to respect the wildlife. Don't bring bananas, as they have this superstition that it will bring bad luck onboard. 3part will be the snorkeling, see the turtles and colorful fishes as well as enjoy other water activities such as the paddle boards and water slide. thank you for this wonderful experience Clap clap clap!!!
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Reviews: Shark cage diving experience in Honolulu, Oahu North Shore | English join-in tour※
Guest User2026-09-30
The waves were too big when we went out to sea, and the waves were also huge when we went down into the harbor. It's super easy to get seasick. If you get seasick, I wouldn't recommend it. It's really tiring. There was no photo service either. I was hoping to pay extra to have staff take photos on the boat, but there wasn't. The staff said their camera equipment was broken. They offered to let us take photos on the boat with our phones, but the staff said they couldn't do it unless they had to check the boat. I felt like they could have taken photos for us, but it was a wasted trip. We didn't see many sharks in the water, and with the waves so big, it was difficult to see them. The whole experience was bad unless you're absolutely seasick and bring your own camera equipment.
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Reviews: Oahu Open Water Shark Diving Experience
Guest User2026-06-26
The best tour I have, they explain you everything think and in all time they take care of you
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Reviews: Oahu: Cage-Free Shark Swim on the North Shore
Guest User2024-09-13
Unbelievably great!! Crew was awesome and professional. Local family run business. The experience was amazing, highly recommend.
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Reviews: Oahu: Swim with Dolphins on the West Coast
Guest User2024-07-07
Mother Nature wasn't so cooperative on our dolphin swim, but that did not stop the crew from delivering an awesome experience none the less. We got to see a bunch of dolphins, but due to the wave conditions the swimming part proved too difficult. The crew really did try their hardest, but they can't control the ocean. We did get to see a monk seal enjoying its octopus, and striking a pose for pictures. They did take us to a cove where we got to snorkel. We saw Spinner Dolphins, Honu, and various types of fish and sea urchins. They fed us a delicious lunch of rice, pork ,and sweet potato. All of the crew made this an amazing experience, especially for the kids. They were engaging, and we had the best time we could imagine. I really can't recommend Indigo Ocean enough! It was worth every penny and then some! If/when we're back in Oahu, I won't hesitate to book with Indigo Ocean again. All photo credits to Dave Rigaud. Insta: @lwdave

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