Top picks for Hawaii API only

Discover 30 API only in Hawaii on Trip.com, updated 27 October 2026, with experiences lasting from 1 to 5 hours. Find the perfect adventure for your day!

From S$ 96.08 per person, with an average total of S$ 185.54. Choose the option that suits your plan.

With 7.333k verified reviews, API only Hawaii boast an average rating of 4.8.

This week's most popular API only: "Voted Honolulu's #1 Beginner Scuba Diving + Free Videos Tour", with 2.519k reviews and a 4.9 rating.

Now on Trip.com: "Oahu: Swim with Dolphins on the West Coast", a 4-hour adventure in Hawaii!

The next available day tour departs on 28 October 2026. Book now to secure your spot!

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

95% of Hawaii API only now offer English-speaking guides

October is perfect for visiting Hawaii! Choose from 30 available day tours, including seasonal hits like Voted Honolulu's #1 Beginner Scuba Diving + Free Videos Tour.

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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30 results for Hawaii API only

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Reviews/Trip Moments

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Reviews: Kona Manta Ray Snorkel Tour Guaranteed or come again free
Guest User2026-02-11
Omg this was one of the most amazing experiences. I highly suggest you fo with this comoany. Everyone is super chilled and nice. I love that it was onky a 3minute trip out to sea versus some of the others beinga 1/2hr, if you get sea sick definitely go with this one. We took our 4 kids ages 8 to 19. We also seen a SHARK in the depths below. The crew was well educated and very helpful with everything even though we got a mix up in our reservation. Very accommodating and 100% worth the money..... this is a MUST DO!!!
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Reviews: Voted Honolulu's #1 Beginner Scuba Diving + Free Videos Tour
Guest User2024-05-24
Try scuba diving was amazing. My childhood friend and I had never gone scuba diving before. No experience needed; just simple swimming fundamentals. Faith and John have a great first time scuba experience for all. A must do if in Oahu, Hawaii. Faith was the best! Super kind, extremely helpful, and caring. Really made the whole experience a blast and a memory to last a lifetime. Thank you so much Faith. You are the best! Mahalo 🤙🌺😎
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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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Reviews: Kauai: Na Pali Coast Super Raft Snorkel Adventure
Guest User2024-09-26
F*cking awesome!!! Trip was rad, fun, lovely, gorgeous, beautiful. Our crew was outstanding- Landon was the Captain and Noah as crew member. They truly made the trip memorable and even better than just the pulchritudinous surroundings
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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.