Snorkeling in Hilo: Sea Turtles and Black Sand Lagoon

Snorkel sheltered rock pools without fighting swell or currents

A half-day snorkeling activity in Hilo with a trained guide covering two family-friendly beach parks accessed from the shoreline. You'll snorkel Richardson Ocean Park's rock pools filled at high tide, where sea turtles and monk seals gather in sheltered water, then move to the black sand lagoon to explore corals, rays and tropical reef fish. The guide teaches basics and stays with you throughout.

The experience

Lava from Mauna Kea has shaped Richardson Ocean Park into a natural seawall that blocks swell and currents, leaving rock pools that fill at high tide and turn into shallow, detached swimming holes when the tide drops. This is where the guide takes you first: to water calm enough that you can focus on what's below instead of fighting the ocean. Sea turtles, monk seals and abundant reef fish live here year-round. The brackish lagoons around Hilo support a wide variety of marine life, and your guide will point out how the black sand beaches and volcanic islands formed as you move between the two sites.

New to snorkeling or bringing children means the guide teaches you the basics before you enter the water and stays with you every step. You'll wear a mask, fins and snorkel provided by the operator. The activity runs three hours total and includes island snacks and local juices. Both sites are accessed directly from the shore, so there's no boat involved. You walk in and out on sand and rock.

What’s included

• All snorkel gear (mask, fins and snorkel).
• a professionally trained snorkel guide in English.
• local juice and snacks.
• transportation from the check-in location to the snorkel site.

Before you book

Days and timesEvery dayDeparts at 09:30

Book up to1d before

AgesAdult (8 and older) · Under 8: can't be booked

GroupUp to 6

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.

ConfirmationConfirmation within 48 h

Prices and times updated yesterday

Good to know

Moderate physical effortNot recommended during pregnancyNot recommended with heart problemsNot recommended with back problems

Operated by Hilo Ocean Adventures

Is this one for you?This is a guided, shared-group activity where you do the snorkeling yourself in calm, sheltered water: ideal if you're new to the sport or want instruction before exploring on your own. The small group size and shore access mean no boat ride and no open ocean, so it suits families with children eight and up and anyone who prefers to stay in shallow, protected pools.

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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 24 h before the start.

What kind of sea life will I see snorkeling in Hilo?

Richardson Ocean Park and the black sand lagoon are home to sea turtles, monk seals, colorful corals, eels, eagle rays, manta rays and tropical reef fish. Marine life sightings are not guaranteed, but the area is well known for its large sea turtle population.

Is snorkeling in Hilo suitable for children?

Yes, children ages eight and up are welcome. Minors under eighteen must be accompanied by an adult, and the guide introduces them to the underwater world in a family-friendly way, teaching snorkel basics before entering the water.

What makes Richardson Ocean Park different from other snorkeling spots?

The natural seawall formed by lava creates a sheltered beach where rock pools fill at high tide. This means you can snorkel in shallow, calm water without dealing with swell or currents, making it ideal for beginners and families.

Do I need to bring my own snorkel gear?

No. The operator provides a mask, fins and snorkel. You just need to bring yourself and be ready to enter the water from the shore.

How long is the snorkeling activity?

The half-day activity runs three hours total, covering two snorkeling stops at Richardson Ocean Park and the black sand lagoon, with time for the guide to teach you basics and answer questions.