Oahu: Submarine Scooter & Diamond Head Catamaran Tour

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Free cancellationTravelers' pick

1/6

Duration2h

GroupUp to 30

LanguagesEN

Mobile ticketAccepted

Glide Underwater Without Gear—Oahu's Electric Scooter Dive

You board a catamaran at Maunalua Bay, cruise past Diamond Head, then descend on an electric submarine scooter for a 20-minute glide among sea turtles and tropical fish. No diving or snorkeling experience required. The tour includes all equipment, a wetsuit top, snacks, and beverages, with time to swim afterward. Two hours total, small groups, and you're back on land with optional professional photos of the dive.

Step-by-step itinerary

Submarine scooter adventure in Oahu

Arrive 30 minutes before departure
Check in with valid photo ID
Board power catamaran at Maunalua Bay
Cruise past Diamond Head and mountains
Receive safety briefing and scooter demo
Dive underwater on electric submarine scooter
Glide among fish, coral, and turtles
Swim, snorkel, and relax on deck
Enjoy snacks and island stories
Option to purchase photos or videos

The Experience

You're standing on the dock at Maunalua Bay, and something shifts the moment you realize you're about to move through water the way nothing else can—not swimming, not snorkeling, not diving. A 50-foot power catamaran is waiting, and in about an hour you'll be piloting your own electric submarine scooter beneath the surface, hands on the controls, nothing between you and the reef but clear water and curiosity. The boat leaves promptly at departure time, so you arrive 30 minutes early with your photo ID, and the crew walks you through everything before you cast off toward Diamond Head and the Koolau Mountain Range.

The catamaran ride itself is the warm-up—you're cruising past Koko Crater, watching the light hit the water, and your guide is already talking about what lives down there. Then you reach the dive site, and the guide demonstrates the scooter right there on deck: it's self-propelled, electric, and honestly simpler than it looks. No scuba certification, no snorkeling experience—the scooter does the work. You put on the wetsuit top and snorkel gear, get the safety briefing, and then you're in. Twenty minutes underwater, and you're gliding past colorful tropical fish, coral reefs, and Hawaiian green sea turtles moving through their own world like you're just passing through theirs. The scooter lets you stay level, stay calm, stay present in a way that feels almost meditative.

After you surface, there's time to swim and snorkel if you want, or just float on the shaded deck with complimentary snacks and water while your guide shares stories about the island's natural and cultural history. The whole tour runs two hours, and groups stay under 30 people, so it never feels crowded. At the end, you can buy professional photos or video of your dive—something to prove you actually did this, because the memory alone might not feel real.

What’s included

Your tour includes the 50-foot power catamaran ride across Maunalua Bay, the 20-minute electric submarine scooter adventure with guide accompaniment, all necessary equipment and safety gear, a wetsuit top and snorkel gear, complimentary snacks and non-alcoholic beverages, and time to swim and snorkel after your dive. Professional photos and video of your underwater experience are available for purchase at the end.

Good to know

Easy physical levelPublic transport nearbyNot for pregnant travelersNot for heart conditions

Operated by Island Water Sports Hawaii, Inc.

Is this one for you?Book this if you want to see sea turtles and coral reefs up close without learning to dive or snorkel first—the electric scooter removes the skill barrier and lets you focus on the underwater world itself.