Best 855 things to do in Mililani, HI

3-hour West O’ahu sail with snorkeling, deli lunch, and drinks

Snorkel with green sea turtles with in-water guides and all gear included

Afternoon or sunset catamaran cruise with DJ and optional reef swim time

Dive two shallow reef sites with full gear and a guide

Private 2-hour sunset cruise for up to 30 in Maunalua Bay

Combine parasailing, jet ski rides, and towable fun with flexible package options

Parasail up to 600 or 800 feet above Maunalua Bay

Ride a Yamaha VX110 jet ski in protected Maunalua Bay

Get pulled on a bumper tube inches above the water

Snorkel with Hawaiian sea turtles away from Waikiki crowds

Parasail, ride a tandem Jet Ski, and add a tube or banana boat in Maunalua Bay

Ride a banana boat and get soaked in shallow water

Dive Oahu’s deep wrecks, then drift a shallow reef with a guided 2-tank charter

Certified 3-tank boat dive to Oahu wrecks, walls, and sea caves

Join a two-tank night dive for certified divers in Hawaii Kai

Dive Oahu by boat with two tanks and a small group of 6 divers or less

Snorkel or observe turtles from a small-group boat

Choose a one- or two-tank certified boat dive in Honolulu

Book a private sunset cruise in Maunalua Bay and bring your own drinks

Try scuba diving on Oahu with 1–2 shallow reef dives, no experience needed

Snorkel Hanauma Bay with roundtrip Waikiki shuttle and gear rental

Ride a Waikiki shuttle and hike Diamond Head at your own pace

Hike Diamond Head State Monument and Manoa Falls with entry fees and shuttle from Waikiki

Hike the Makapuʻu Lighthouse Trail with round-trip shuttle and a Halona Blowhole stop