Kealakekua Bay Snorkel Tour: Small Group, Sea Caves

A Navy-style Zodiac gets into sea caves the big boats skip.

This small-group snorkel tour departs for Kealakekua Bay on the Big Island's Kona coast aboard a fast Zodiac RIB boat, where you snorkel protected coral reefs near the Captain Cook Monument and explore sea caves and coves inaccessible to larger tour boats. The tour runs roughly 2.5 hours and includes snorkel gear, fresh pineapple, and bottled water. A live English-speaking guide leads the group. Wetsuits and lifejackets are available to rent at check-in. Wildlife sightings (dolphins, whales) are possible but not guaranteed.

The experience

The Zodiac RIB boat (the same hull design the Navy SEALs use) cuts through the water fast enough to reach Kealakekua Bay and back without the long, slow haul of a 30- to 80-person catamaran. That speed and agility open access to sea caves, lava tubes, and the rugged cove topography along the Kona coastline that bigger boats cannot navigate. You snorkel the coral reefs of Kealakekua Bay itself, a protected marine sanctuary and the site of the Captain Cook Monument, in water clear enough that the reef detail stays vivid all the way down.

Small group size means you are not jostling for space on a crowded deck or waiting in a line to get in the water. The crew guides you through each step (entry, snorkeling time, the ride back), and handles safety and comfort. Snorkel mask and snorkel are included. If you want a wetsuit or lifejacket, you can rent one at check-in. Fresh pineapple and bottled water come with the tour. The ride itself is part of the experience: you may spot dolphins or whales along the coast, though wildlife sightings are not guaranteed.

Ocean conditions and snorkeling time shift the total duration, but plan for roughly 2.5 hours from start to finish. The boat departs from the Kona side of the Big Island. The operator is locally owned and family-run, with a focus on guest experience and cultural respect for the site.

What’s included

• Snorkel mask and snorkel.
• fresh pineapple and bottled water.
• a live English-speaking guide leading the small group throughout the 2.5-hour tour.
• access to sea caves and coral reefs at Kealakekua Bay near the Captain Cook Monument.
• wetsuits and lifejackets available to rent at check-in.

Options for this experience

2 options

Ride-along option, without snorkelingGuide in English · 08:30, 11:30 and 14:30Boat-only option, no time in the water

Option that includes snorkeling in the waterGuide in English · 08:30, 11:30 and 14:30

You'll see the exact price of each option when you check availability.See dates and prices

Before you book

Days and timesEvery dayDepartures at 08:30, 11:30 and 14:30

Book up to1h before

AgesAdult (5 to 70 years) · Under 5: can't be booked

GroupUp to 26

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 24 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 2 days ago

Good to know

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

Operated by Kona Snorkel Tours

Is this one for you?Book the snorkeling option if you want to get in the water and explore the coral reefs and sea caves yourself. Choose the ride-along option if you prefer to stay aboard and see the coastline and bay without entering the water. Either way, the small Zodiac boat and small group size mean you skip the crowded experience of the big tour boats and reach places they cannot go.

Traveler reviews

4.60★★★★★★★★★★

1,650 verified traveler reviews

5 ★1,370

4 ★104

3 ★56

2 ★42

1 ★78

Read all the reviews ›

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 24 h before the start.

What is the Captain Cook Monument and why is it at Kealakekua Bay?

The Captain Cook Monument marks the landing site of British explorer Captain James Cook in 1779 at Kealakekua Bay, a significant location in Hawaiian history. The bay itself is a protected marine sanctuary known for its clear water and healthy coral reefs.

Can I snorkel if I'm not a strong swimmer?

Yes. The tour is suitable for all physical fitness levels, and lifejackets are available to rent at check-in. A live guide leads the group and ensures safety throughout the snorkel. The minimum age is 6 years old.

Will I definitely see dolphins or whales?

Dolphin and whale sightings are possible during the ride along the coast, but they are not guaranteed. The tour focuses on snorkeling the coral reefs and exploring the sea caves. Any marine wildlife you encounter is a bonus.

What's included in the tour price?

The tour includes snorkel mask and snorkel, fresh pineapple, and bottled water. Wetsuits and lifejackets are available to rent separately at check-in if you want them.

How does the small Zodiac boat reach places bigger boats cannot?

The Zodiac RIB is a fast, agile hull design that requires less water depth and can maneuver into narrow coves and sea caves along the coastline. Larger tour boats, which carry 30 to 80 passengers, need deeper water and wider passages, so they cannot access these hidden features.

Is hotel pickup included?

Hotel pickup and drop-off are not included with this tour. You will need to arrange your own transportation to the departure point on the Kona coast.