Top Honolulu Activities and Things to Do

Discover 337 API only in Honolulu on Trip.com, updated October 27, 2026, with experiences lasting from 1 to 9 hours. Find the perfect adventure for your day!

From KRW 39,667 per person, with an average total of KRW 166,995. Choose the option that suits your plan.

With 16.025k verified reviews, API only Honolulu boast an average rating of 4.8.

This week's most popular API only: "Parasailing Experience in Waikiki, HI", with 2.902k reviews and a 4.9 rating.

Now on Trip.com: "Oahu Catamaran Snorkel Tour: See Turtles 100% Guaranteed", a 2-hour adventure in Honolulu!

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

Honolulu API only usually take about 2 hours — perfect for a relaxed, immersive experience!

75% of Honolulu API only now offer English-speaking guides

October is the perfect time to visit Honolulu! Choose from 337 available day tours, including seasonal favorites like Parasailing Experience in Waikiki, HI.

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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337 results for Honolulu API only

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Reviews/Trip Moments

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Reviews: Oahu Catamaran Snorkel Tour: See Turtles 100% Guaranteed
Guest User2026-09-19
We had a great time on the sea turtle snorkeling tour! The weather was beautiful, and we were lucky enough to see sea turtles. The captain and safety crew were very friendly and helpful, which made the experience even better. Our family really enjoyed the tour, and I would highly recommend it to other families visiting Hawaii!
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Reviews: Glow of the Deep: Night Snorkeling with Manta Rays
Guest User2026-04-29
I really liked it, but it was cold. The manta rays swam very close!
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Reviews: Oahu: Waikiki Parasailing
Guest User2026-10-20
Amazing ! Had so much fun, they were extremely fun and professionals, defo recommend and will book with them again !!
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Reviews: Beginner Scuba Diving Experience with Video Package in Honolulu
Guest User2024-09-10
This was an amazing experience for the first time. Kyle was a great instructor. 10/10 I would definitely recommend everyone to try it. Don’t forget to choose Kyle.
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Reviews: Waikiki 2 Tank World Class Wreck SCUBA Diving - Certified Only
Guest User2025-09-14
Good shop, friendly and knowledgeable instructors and staff. Great wreck dive and reef dive this morning. Early start 615am meet up at the shop and knocked out two dives by 10am ish. Highly recommend if staying in Waikiki!