Oahu tours & activities, fun things to do in Oahu. | HawaiiActivities.com

Enjoy up to 6 different water activities in one day! Snorkel with tropical fishes, ride an underwater scooter, cruise on a kayak or stand up paddle board and play on the boat's water slide & trampoline, all from one amazing boat cruise in Waikiki!

Have a fun-filled day of adventure with 5 different water activities! Experience riding an underwater scooter or snorkeling with tropical fishes. Paddle a kayak or a stand up paddle board, or play on the boat's water slide and floating trampoline.

Get an excellent view of the Hilton's weekly fireworks show in Waikiki on this evening fireworks cruise. Departing from Kewalo Basin just outside Waikiki, bring your own snacks and beverages to enjoy this unforgettable night on the waters of Waikiki.

Enjoy Hawaii's natural scenery and spectacular ocean views while searching for whales on this limited seasonal cruise! See the humpback whales when they visit the warm waters of Waikiki in the winter months on this whale watching cruise.

Join a group scuba diving course with Waikiki Marine Sports! Learn to dive with an experienced instructor that will teach you basic techniques and lead you on a trial dive. This tour is beginner friendly, with no prior experience required!