Molokini Crater Snorkeling

For Molokini, the choice is a raft from Kīhei or a big boat from Māʻalaea. Redline Rafting’s Molokini Crater + South Maui Coast Adventure suits fit snorkelers aged 8 to 65 staying in Kīhei or Wailea, who can climb a vertical ladder back aboard and do not get seasick. Calypso’s Molokini Snorkeling Adventure and Maui Classic Charters’ Four Winds Molokini Snorkeling Tour suit families, nervous swimmers and anyone with limited mobility: more deck, more shade, flotation gear and easier ways in and out of the water. Every trip leaves early, and every operator treats the crater as weather-permitting.

What Molokini is

Molokini is a crescent-shaped islet about 3 miles off Maui’s southwest coast, in the ʻAlalākeiki Channel. It is the southern rim of an extinct volcanic crater, and the shallow inner cove is the crater’s submerged floor. The cove slopes to about 100 feet before dropping off, and the back wall falls to more than 200 feet. You can reach it only by boat.

The State made it the Molokini Shoal Marine Life Conservation District in 1977, covering about 77 acres. The rules are simple: no taking or injuring marine life, no feeding fish, no taking sand, coral or rock, and no landing on the islet, which is a state seabird sanctuary. Boats tie up to day-use moorings, and DLNR limits Molokini commercial use permits to 40. For the wider snorkel picture, including Turtle Town by kayak, see our Maui snorkeling tours page.

Raft from Kīhei or big boat from Māʻalaea

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Prices are per person, from the listings as checked October 2026.

A raft is smaller and lower to the water, and the ride can be bumpy. Redline asks guests to be between 8 and 65, not pregnant and free of spinal problems, and to climb a vertical ladder after each snorkel. A big catamaran gives you more deck, more shade and room to sit out a stop; Calypso’s GetYourGuide listing counts three restrooms and 11 sets of stairs into the water. South Maui guests are close to Kīhei Boat Ramp, about 6 minutes from Wailea. West Maui guests should go to Māʻalaea: it is 18.5 miles from Kāʻanapali, about 35 minutes without traffic, on Honoapiʻilani Highway, the only road out of West Maui.

Redline: the featured raft

Redline’s trip checks in at 6:30 a.m. at Kīhei Boat Ramp for a 7 a.m. departure, with free parking in the lots above the boat and trailer area. A local guide and instructor, snorkel gear, cinnamon rolls and fruit for breakfast, a deli lunch, sodas and water are included. After Molokini it heads to Turtle Town. It is rated 5.0 from 1,649 reviews and costs from $232 per person, the highest fare of the three main options here. The listing says it is not for the elderly or fragile, so take that at face value. Our review has the full breakdown.

Calypso: the triple-deck catamaran

Calypso calls its boat Maui’s only triple-decker catamaran. It has a jumping platform, two slides and a glass-bottom viewing room for anyone who wants to stay dry, plus snorkel gear and flotation devices. Breakfast, lunch, coffee, tea, sodas and juice are included, and alcohol is sold for $3 a drink once the snorkeling is done. Check-in is 6:45 a.m. for a 7:30 a.m. departure from Slips 76 to 78 at Māʻalaea. The listing is marked wheelchair accessible for manual chairs up to 28 inches wide. It is rated 4.6 from 2,230 reviews and costs from $189. The captains choose the snorkel sites each day. Our review has more.

Four Winds: gear for beginners

Four Winds leaves from Slip 80 on the ocean side of Māʻalaea Harbor. Its listing is the most beginner-minded of the three: optical masks, flotation belts for adults, life vests for young children, boogie boards and large sea boards with clear bottoms. A tropical breakfast and lunch are included, with water, soda, beer, wine and juice. SNUBA, photos and wetsuits cost extra. It is rated 4.7 from 862 reviews and costs from $213. Our review covers it in detail.

Early starts and the weather call

Molokini trips leave early because the water is usually calmer before the afternoon wind builds. Check-in runs from 5:45 a.m. on Malolo to 7:30 a.m. on Pride of Maui’s Molokini and Turtle Town trip, so plan breakfast and parking the night before. Māʻalaea parking is paid by kiosk or QR code.

No operator guarantees the crater. Four Winds says snorkeling at Molokini is “weather permitting” and it “can never guarantee a snorkel location”. Calypso’s captains set the sites daily by weather and swell, and Pride of Maui may switch to another Maui site on windy or high-swell days. One Four Winds reviewer was moved to Turtle Town by weather and still had a good day. If the crater matters, book early in your stay so a rough morning leaves time to try again.

Molokini in whale season

From December to April, the channel crossing passes humpback waters, and Calypso’s and Malolo’s GetYourGuide itineraries list whale watching on the way out and back. That is a bonus, not a whale watch: boats keep at least 100 yards from whales and the snorkel schedule comes first. If you want whales explained, with a naturalist and a hydrophone, book a dedicated trip from our best Maui whale watching tours, or a raft from our raft tours page. If seasickness worries you, read our seasickness guide before choosing the raft.

Ready for the crater? Check dates for Redline’s Molokini trip.