Calypso Molokini Snorkeling Adventure: 5.5-Hour Triple-Deck Catamaran Trip with Slides, $190
Quick answer
The Calypso Molokini snorkeling adventure is a 5.5-hour trip from Ma'alaea Harbor on a three-deck catamaran with two slides, breakfast and lunch, for $190 per person.
Check-in is at Slip 76 to 78, tips and parking are extra, and GetYourGuide rates it 4.6/5 from 481+ reviews.

Calypso Molokini Charters
South Maui: Molokini Snorkeling Adventure
4.6 (481) · from $190
The Calypso Molokini snorkeling adventure is the best-rated full-morning snorkel boat in the Maui data: 4.6 out of 5 from 481 reviews, against 4.3 for the two Malolo trips. Calypso Molokini Charters runs it from Slip 76 to 78 at Ma'alaea Harbor on a triple-deck catamaran with a glass-bottom viewing room, two water slides and a jumping platform.
The detail that changes the decision is the deck plan. Reviewers say three levels spread guests out on a boat one October guest saw at full capacity, and 11 stair points ease water entry for first-time snorkellers. It costs $190, about $34.5 per hour, so you pay roughly $30 more than the morning Malolo for that layout.
My Maui snorkeling tour guide compares every boat, and the boat tours hub and the home page cover the rest.



| Operator | Calypso Molokini Charters (activity provider on GetYourGuide) |
|---|---|
| Boat | Calypso, three-deck catamaran; capacity not stated |
| Price | $190 per person here; calypsomaui.com shows $199.95 standard and $178.95 as a starting price |
| Duration | 5.5 hours; the itinerary gives 1 h out, 2.5 h at Molokini, 1 h back |
| Departure time | Not stated on the listing; read your voucher |
| Meeting point | Slip 76 to 78, South Ferry Dock, 101 Ma'alaea Road; look for the Calypso |
| Snorkel stops | Molokini Crater and Turtle Town, weather permitting |
| Food and drinks | Breakfast, lunch, soft drinks, coffee and tea included; beer and wine $3 each, 21+ |
| Languages | English |
| Cancellation | Free up to 2 days before, full refund |
| Rating | 4.6/5 from 481+ reviews on GetYourGuide |
What is the Calypso Molokini snorkeling adventure and what do you see?
It is a shared full-morning catamaran trip with two reef stops, Molokini Crater and Turtle Town, plus a breakfast on the way out and a lunch on the way back.
- Molokini: a protected marine preserve, about three miles off Maui's southwest coast, according to the state's land and natural resources department.
- Turtle Town: the second stop, with green sea turtles among the lava-rock coral.
- Wildlife named: turtles, reef fish, manta rays, urchins and sharks around the crater, per the listing; none is guaranteed.
- Boat features: a glass-bottom viewing area, two slides, a second-deck jumping platform and a naturalist who helps identify fish.
A reviewer in June counted about one hour from the harbour to Molokini, and the itinerary agrees. The same reviewer says photos taken on board were offered for sale afterwards.
Where does the Calypso Molokini snorkeling adventure leave from?
Head for slips 76 to 78 at the South Ferry Dock and look for the Calypso; the company's address is 101 Ma'alaea Road, Wailuku.
Calypso's own site gives slip 76 at the same address but no check-in time, so use your voucher's. A May reviewer warned to arrive early to park. I would plan some slack, given there is also a waiver to sign online, with the link in your voucher.
| From | To | Link |
|---|---|---|
| Maui Ocean Center car park | Slip 76 to 78 | Walking route |
| Ma'alaea Harbor shops | Calypso boat slip | Walking route |
| Harbour | Overview of the area | Ma'alaea Harbor on Google Maps |
What is the route, stop by stop?
The route has three timed legs in the listing: about an hour across the ʻAlalākeiki Channel, 2.5 hours at Molokini, and an hour back with lunch.
| Leg | Time | What happens |
|---|---|---|
| Ma'alaea Harbor to Molokini | about 1 h | Breakfast, safety briefing, site orientation |
| Molokini | about 2.5 h | Snorkelling, lifeguard in the water, glass-bottom room, slides |
| Turtle Town | in the description, not timed | Second snorkel stop with turtles, weather permitting |
| Return to Ma'alaea | about 1 h | Lunch, drinks on sale |
Those splits add up to 4.5 hours of the 5.5, so the remaining hour is Turtle Town, boarding and check-in. The itinerary lists Molokini only, while the description adds Turtle Town, so treat the second stop as likely, not certain. A reviewer who sailed on 3 July confirms both stops ran.
3 miles is roughly how far the Molokini Shoal marine life conservation district lies from Maui's southwest coast, per Hawaii's aquatic resources division.
That page also bans feeding fish, taking marine life or coral, and commercial in-water tours without a permit, so the lifeguard and naturalist on this boat operate inside the permit rules.
How long is the trip, and when does it sail?
It lasts 5.5 hours, and the structure of breakfast outbound and lunch inbound tells you it is a morning trip.
A state-hosted 2004 survey says Molokini traffic mostly happens in the early morning, because wind fills into the crater by noon. This trip sails inside that window by design. The survey adds that guests snorkel for up to an hour before a lunch aboard.
- Sign the online waiver from your voucher, then check in at Slip 76 to 78.
- Board and eat breakfast as the boat crosses the channel.
- Snorkel Molokini with the lifeguard in the water.
- Move to Turtle Town for the second swim.
- Eat lunch on the way back to Ma'alaea.
The listing gives no clock time. Calypso's phone number is on its site if your voucher is unclear.

What is on board and what is included?
The fare covers the boat, gear, two meals, soft drinks and the safety crew; tips, parking, towels and hotel pickup are not in it.
| Included | Not included |
|---|---|
| Triple-deck catamaran, captain and crew | Tips (bring cash) |
| Hot breakfast: eggs, sausage, muffins, pastries, fruit | Hotel pickup and drop-off |
| Lunch: turkey, pulled pork or veggie burgers with sides and cookies | Parking fees |
| Soda, juice, water, coffee and tea | Towels (bring your own) |
| Snorkel gear, flotation, 2 slides, glass-bottom room, 3 restrooms | Beer or wine, $3 each, 21+ |
Vegetarian and other diets must be reported when you book; the vegetarian burger has to be ordered then. Children need an adult with them. Smoking, vaping and drones are not allowed.
The listing says the trip is not suitable for people with heart problems or those prone to seasickness. A reviewer also mentions fins, masks, noodles and a defogger spray.
How does the Calypso Molokini snorkeling adventure compare with other Maui snorkel boats?
It is the best rated of the full-morning boats and the second most expensive snorkel trip in the Maui data.
| Trip | Price | Length | Rating | Format |
|---|---|---|---|---|
| Calypso Molokini adventure (this page) | $190 | 5.5 h | 4.6 (481) | Triple-deck cat, slides |
| Malolo morning, Molokini and Turtle Town | $160 | 5 to 5.5 h | 4.3 (969) | Catamaran, breakfast and lunch |
| Malolo afternoon, Coral Gardens or Molokini | $100 | 3 h | 4.3 (792) | Catamaran, lunch |
| Gemini snorkel and sail | $192 | 4 h | 4.8 (137) | Sailing boat, buffet |
The same company also runs an evening trip, the Calypso sunset prime rib or fish dinner cruise, at $150 for 2 hours.
Is the Calypso Molokini snorkeling adventure worth it vs the other Molokini boats?
Yes, if you want the top-rated morning boat and a more comfortable entry into the water; no, if you only want the lowest price.
- Rating gap: 4.6 against 4.3 for each Malolo trip, on 481 reviews.
- Value score: 4.3 on GetYourGuide, the lowest of its three sub-scores (guide 4.7, transportation 4.7).
- Price: $190 on GetYourGuide against $199.95 standard on the operator's site, so the marketplace price is lower on the day I checked.
- Comfort: 11 stair points and a lifeguard, per the listing, suit first-time snorkellers and children.
The trade-off is cost. Take the $160 Malolo if the slides and the rating do not matter to you.
When is the best time to book the Calypso Molokini trip?
Any month works for the sea, but summer gives the warmest water and winter needs a wetsuit.
| Month | Avg high 2025 | Rain days | Sea temp | Wave height | Daily max wind | In the water |
|---|---|---|---|---|---|---|
| Jan | 80 °F | 6.5 | 78 °F | 3.3 ft | 10 mph | Calm mornings; wetsuit useful |
| Feb | 78 °F | 8.5 | 78 °F | 3.3 ft | 7 mph | Wetsuit useful |
| Mar | 81 °F | 7.3 | 78 °F | 3.1 ft | 8 mph | Good |
| Apr | 83 °F | 6.7 | 78 °F | 3.1 ft | 8 mph | Good |
| May | 83 °F | 3.8 | 79 °F | 3.1 ft | 10 mph | Good |
| Jun | 84 °F | 2.1 | 80 °F | 3.0 ft | 10 mph | Good |
| Jul | 86 °F | 2.4 | 81 °F | 3.0 ft | 10 mph | Warm water |
| Aug | 87 °F | 4.6 | 82 °F | 3.2 ft | 10 mph | Warm water |
| Sep | 86 °F | 2.9 | 82 °F | 2.9 ft | 9 mph | Warmest sea |
| Oct | 86 °F | 4.4 | 82 °F | 2.7 ft | 9 mph | Warm water, light wind |
| Nov | 82 °F | 4.0 | 80 °F | 3.2 ft | 9 mph | Rain days rise |
| Dec | 82 °F | 7.1 | 79 °F | 3.4 ft | 8 mph | Cooler; wetsuit useful |
September has the warmest water at 82 °F and January the coolest at 78 °F. Rain days run from 2.1 in June to 7.1 in December. Mean daily wind never exceeds 10 miles per hour in the model, but the 2004 survey's point stands: the morning is the calm part of the day.
Weather can still cancel a trip. The listing marks both stops as weather permitting, and free cancellation closes 2 days before.

What do passengers say about the Calypso Molokini snorkeling adventure?
The pattern is a warm crew and a strong safety message, with one note about a crowded snorkel zone at the start.
- Crew (9 of 10): reviewers call the staff kind, joking, patient and attentive.
- Food (5 of 10): breakfast and lunch are described as plentiful, with vegetarian options mentioned.
- Safety (3 of 10): reviewers mention the captain's briefing, gear checks and a safety-first attitude.
- Crowding (2 of 10): one guest saw the boat full to capacity, another found the snorkel area cramped at first.
- Layout (2 of 10): the three decks and the easy stairs are praised.
All 10 sampled reviews are 5-star under the "Recommended" sort. The sub-scores are Guide 4.7, Transportation 4.7 and Value for money 4.3.
Who should skip the Calypso Molokini snorkeling adventure?
Skip it if you want the cheapest snorkel, a small-group boat, or you get seasick.
- Price-led travellers: the afternoon Malolo trip costs $100.
- Seasick travellers: the listing says the trip is not suitable for people prone to seasickness.
- Heart conditions: the listing excludes people with heart problems.
- Quiet-boat seekers: the listing promises Jimmy Buffett music, and reviewers describe a lively crew and a full boat.
If you would rather watch whales in season, my Maui whale watching guide compares the boats.
How do you book the Calypso Molokini snorkeling adventure?
Book through the link below, finish the online waiver that arrives with your voucher, and aim to reach the slip early.
- Choose a morning date and report any dietary needs at booking.
- Complete the waiver from the voucher.
- Arrive early enough to park and reach Slip 76 to 78.
- Bring a towel, reef-safe sunscreen, comfortable shoes, cash for tips and an ID copy.
5.5 hours of triple-deck catamaran snorkelling at Molokini and Turtle Town, with breakfast and lunch, for $190 per person, free cancellation up to 2 days before.
Check availabilityI earn a commission if you book through this link, at no extra cost to you.
Frequently asked questions
How long is the boat ride to Molokini Crater?
The itinerary gives about an hour from Ma'alaea Harbor, and a June reviewer's estimate matches it.
Is it worth going to Molokini Crater snorkeling?
Yes for protected water and fish life: the crater is a marine preserve, and the listing cites 150-foot visibility. The Calypso adds slides and a lifeguard for $190.
How much does it cost to go to Molokini Crater?
This Calypso trip is $190 per person on GetYourGuide, with breakfast and lunch. Other Molokini boats on this site cost $100 to $192.
Can you snorkel Molokini Crater on your own?
Only with your own boat. Commercial in-water tours there need a Hawaii DLNR permit, and the crater is about three miles offshore.
Do you see sharks at Molokini Crater?
The listing says sharks live around the crater along with manta rays, but sightings are not promised. A lifeguard stays in the water during the snorkel.
What is the best snorkeling tour for Molokini in Maui?
For the highest rating among morning boats, it is this Calypso trip at 4.6. For the lowest price, it is the Malolo afternoon trip at $100.
Is lunch included on the Calypso?
Yes. Lunch includes turkey, pulled pork or a veggie burger with sides, and the vegetarian burger must be ordered at booking.
Is hotel pickup included?
No. The include list ends with hotel pickup, parking, tips and towels, which I read as not included.
Can children go on the Calypso snorkel trip?
Yes, if an adult accompanies them. The listing describes the slides as especially fun for kids and the stairs as easy to use.
Do I need to sign a waiver?
Yes. The voucher you receive after booking carries the link, and the listing wants it signed before the tour.
Sources: GetYourGuide listing 72967 (checked 2026-10-17); Calypso Maui (slip, prices, phone); Hawaii DLNR Division of Aquatic Resources, Molokini Shoal MLCD (distance, permit and feeding rules); The Hawaii Boat Industry 2003, state-hosted PDF, 2004 (morning winds); Open-Meteo archive, marine and forecast APIs.


