Oahu: Submarine Scooter & Diamond Head Catamaran Tour

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.

Before you book

Days and timesMonday to SaturdayDepartures at 09:00 and 12:00

Book up to1h before

AgesAdult (10 and older) · Under 10: can't be booked

GroupUp to 30 · max 9 per booking

Live guideEnglish

Meeting point and pickupNo hotel pickup: you go to the meeting point. Ends back at the starting point.

Cancellation and refundsFree cancellation up to 72 h before the start. After that, no refund.It may be canceled due to bad weather or if the minimum number of travelers isn't reached. If that happens, you're offered another date or a refund.

Prices and times updated yesterday

Good to know

Low physical effortPublic transport nearbyNot recommended during pregnancyNot recommended with heart problems

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.

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Top questions

What happens if it rains?

It may be canceled due to bad weather. If that happens, you're offered another date or a refund. Free cancellation up to 72 h before the start.

Do I need scuba or snorkeling experience?

No. The electric submarine scooter is designed for beginners. Your guide demonstrates how to operate it and stays with you the entire time underwater.

How long am I underwater?

About 20 minutes on the scooter itself. After surfacing, you have additional time to swim and snorkel if you want.

What's included in the tour?

The catamaran ride, submarine scooter adventure, all necessary equipment, wetsuit top, snorkel gear, snacks, and non-alcoholic beverages. Professional photos and video are available for purchase.

What time do I need to arrive?

Arrive 30 minutes before departure. The boat leaves promptly, and you must bring a valid photo ID for check-in.

How many people are on the tour?

Groups are limited to 30 people maximum, keeping the experience personalized and safe.

What should I bring?

A swimsuit, towel, sunscreen, and valid photo ID. The tour provides the wetsuit top and snorkel gear.

Is there a weight or height limit?

Yes. Maximum weight is 350 lbs, maximum height is 6'8". Minimum height is 4 feet tall. Minimum age is 10 years old.

Can I bring my child?

Yes, if they are at least 10 years old and 4 feet tall. Minors must be accompanied by a paying adult and have a signed parental waiver.