Top Honolulu Activities and Things to Do

Discover 331 API only in Honolulu on Trip.com, updated 13 November 2026, with experiences lasting from 1 to 8 hours. Find the perfect adventure for your day!

From KRW 33,374 per person, with an average total of KRW 131,400. Choose the option that suits your plan.

With 19.868k verified reviews, API only Honolulu boast an average rating of 4.7.

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 14 November 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

November is perfect for visiting Honolulu! Choose from 331 available day tours, including seasonal hits 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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331 results for Honolulu API only

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API only

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RecommendedAttractions (4937)Shows & events (24)Boat tours (136)Culture & history (57)Food & drink (12)Spa & wellness (1)Outdoor & sports (87)Day tours (299)City sightseeing (13)Nature & wildlife (62)Water activities (124)Travel photography (8)SIM card (36)

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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: Waikiki Turtle Canyon Snorkel Adventure on Oahu
Guest User2025-05-31
I booked this the night before and was happy with the experience. The guides were attentive and there were snack! We spent a considerable time looking at the dolphins and swimming around the turtles. Nice activity to do if you're looking for quick things to do in Oahu.
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Guest User2026-01-15
This was an amazing experience! You pay for an hour excursion and that is what you get. Your captain does his best to bring you to locations where you will see whales, dolphins and other sea life but you may end up only seeing fish or fish and sea turtles. No matter what you see, this is a relaxing voyage from Ala Moana to Waikiki where you can relax, enjoy your excursion with your favorite spirit or otherwise. We enjoyed our excursion while seeing sea life including sea turtles and having a birthday shot while enjoying a lovely cruise accompanied by great commentary and music. I would 100% recommend taking this cruise for anyone visiting the island of Honolulu.
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Reviews: Waikiki Coral Reef Snorkel & Waterslide Adventure
Guest User2024-10-13
Such a great crew, super relaxing environment and the views are amazing. Was my first time snorkeling and couldn't have asked for a better way to learn and have fun with my Friends. The water slide was an added fun experience 👌
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Reviews: Private Surf Lesson at Waikiki Beach
Guest User2024-04-26
My wife just got back from a lesson with Chad. Her smile was from ear to ear. What a great soul! If you're in Waikiki, please get a lesson from these guys. From the land lesson to the waves to the walk back to the shop, you're learning. Chad thank you so much for today. We'll be back soon brother! Mahalo

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