Molokini Crater Snorkeling
Clear water, a sunken volcanic rim and a reef full of fish, two and a half miles off Maui.
Plan a Maui Cruise With MolokiniSnorkeling Inside a Volcano
Molokini crater snorkeling is one of the classic Maui half-days: an early boat ride across a calm morning channel, then an hour or more floating over coral inside the rim of a crescent-shaped volcanic crater. This site explains how the trip works, when to go, what the reef rules are and how to fit it into a cruise call on Maui.
Molokini is a small, partly sunken cinder cone between Maui and Kahoʻolawe. Only the curved rim rises above the sea; the rest of the crater opens to the south, forming a sheltered cove where the water is often startlingly clear. The cove and the waters around it have been a Marine Life Conservation District since 1977, so the fish are plentiful and used to people floating above them. On a good day you look down past schools of yellow tangs and butterflyfish to coral heads and white sand far below.
No one lives on Molokini and no one may land there. It is a state seabird sanctuary, and every visit is made by boat from Maui’s south shore. That is why “Molokini cruises” is the local shorthand: the boat ride is part of the experience, and the best trips combine the crater with a second snorkel stop along the Maui coast.
Molokini at a Glance
| What to know | |
|---|---|
| Where | About 2.5 miles off south Maui, in the ʻAlālākeiki Channel toward Kahoʻolawe |
| Departures | Maʻalaea Harbor (larger catamarans and boats) and the Kihei boat ramp (smaller, faster boats and rafts) |
| Best hours | Early morning, before the afternoon trade winds pick up |
| Protected status | Molokini Shoal Marine Life Conservation District: no fishing or taking, no feeding fish, no landing on the islet |
| Typical second stop | A coastal reef off south Maui, often called Turtle Town, where green sea turtles are common |
| From a cruise ship | Ships call at Kahului; Maʻalaea is the closest Molokini harbor to the pier |
Plan Your Molokini Day
The crater itself
How a 230,000-year-old cinder cone became Maui’s most famous snorkel site, and why it is protected.
About Molokini crater →
Choosing a snorkel tour
Catamaran or raft, Maʻalaea or Kihei, morning or afternoon: what really changes the day.
Molokini snorkel tours on Maui →
Molokini and Turtle Town
The two-stop trip most visitors take, and how to share the water with sea turtles properly.
Turtle Town snorkeling →Why the Water Is So Clear
Three things make Molokini special. First, there are no rivers or streams on the islet to carry silt into the water, so visibility regularly runs well past 50 feet. Second, the crescent rim blocks the prevailing swell, leaving the inner crater calm on most mornings. Third, decades of protection mean fish populations are healthy and unafraid, so even a beginner floating at the surface sees a lot of life.
The crater floor slopes from shallow reef near the rim to deeper sand toward the open south side. Snorkelers stay in the shallower part over the coral; divers explore the slope and, on advanced trips, the sheer back wall on the outside of the rim, which drops away into deep blue water. Our Molokini crater scuba diving page explains both dives.
Who This Trip Suits
First-time snorkelers
The crater is calm on most mornings, the crew supplies gear and flotation, and you can simply float and look down.
Families
Larger boats have shade, restrooms and a ladder or stairs into the water; ask about minimum ages and child-size gear.
Certified divers
Two-tank trips pair the inner crater with the back wall or a south-shore site. Bring your certification card.
Cruise passengers
A morning departure from Maʻalaea fits comfortably into a day docked at Kahului.
If you are on a Hawaii cruise, Molokini is one of the strongest arguments for planning your Maui day early. Our sibling sites Cruise Hawaii and Hawaii-Cruise.com explain how Hawaii cruises work, and our visitor guide Best in Hawaii covers the rest of Maui. For whale and wildlife cruising beyond Hawaii, see Natural Cruises.
Booking a Molokini Snorkel Trip
We do not list operators or prices on this site; boats, schedules and fares change often. Bookable Molokini and south-Maui snorkel tours are available through our sister site Shore Activities, which covers shore excursions in ports worldwide. If you are still choosing the cruise itself, our cruise advisors at Mister Cruise can match you to Hawaii sailings with a full day on Maui and send free quotes. Cruise lines that sail Hawaii are also listed in the Official Cruise Directory.
Molokini Questions
How far is Molokini from Maui?
Molokini sits roughly two and a half miles off Maui’s south coast, in the channel between Maui and the uninhabited island of Kahoʻolawe. Most snorkel boats leave from Maʻalaea Harbor or the Kihei boat ramp.
Do I have to be a strong swimmer to snorkel Molokini?
You need to be comfortable in open water, because the boat moors in the crater rather than near a beach. Most trips provide flotation belts, noodles or vests, and a crew member in the water watches the group. Tell the crew if you are nervous; they deal with first-time snorkelers every day.
Can I land on Molokini?
No. The islet is a state seabird sanctuary and landing is prohibited. Every visit is from the water, on a moored boat.
Can I book a Molokini trip through a cruise line?
Many cruise lines that call at Kahului offer a Molokini or south-Maui snorkel excursion. Independent tours are also bookable through our sister site Shore Activities. Either way, choose a morning departure that brings you back with a wide margin before all-aboard.
Who Is Behind This Site
Molokini Cruises is part of the Smart Traveler network, led by Mister Cruise. He has sold travel since 1972 and worked full-time in the industry since 1977. He has sold or originated more than $500 million in cruises and has trained more than 500 travel agents.
When you ask for a quote, our cruise advisors at Mister Cruise handle it personally — not a call center — and book everything for you. Meet Mister Cruise →
Make Maui (and Molokini) Part of Your Cruise
Tell us when you would like to sail and how much time you want on Maui. Our cruise advisors at Mister Cruise will find Hawaii cruises with the right Maui call and send free quotes.
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