Spend a private seven-hour day aboard SY Mazu, a Gemini Legacy catamaran that sails between Red Hook and St. John. Expect guided snorkeling, cold drinks, flexible route choices like Lovango Cay and Christmas Cove, and the ease of a small-group luxury charter.
Spend a private seven-hour day aboard SY Mazu, a Gemini Legacy catamaran that sails between Red Hook and St. John. Expect guided snorkeling, cold drinks, flexible route choices like Lovango Cay and Christmas Cove, and the ease of a small-group luxury charter.
Morning light slices across the Caribbean as SY Mazu slips from her mooring and the bow invites you forward—salt on your lips, the motor’s low thrum blending with the gulls. On a private seven-hour excursion from Red Hook, the Gemini Legacy catamaran unspools access to the sheltered coves and coral gardens between St. Thomas and St. John.
Verified experiences and guided adventures in the surrounding area.
Operated by Seas the Day Charters and Tours · Red Hook, U.S. Virgin Islands
Morning light slices across the Caribbean as SY Mazu slips from her mooring and the bow invites you forward—salt on your lips, the motor’s low thrum blending with the gulls. On a private seven-hour excursion from Red Hook, the Gemini Legacy catamaran unspools access to the sheltered coves and coral gardens between St. Thomas and St. John.
These islands sit on an ancient volcanic base capped with limestone and washed by warm Atlantic currents; reefs here host stony corals and reef fish that color the shallows. The route threads through waters protected by the Virgin Islands National Park, where places like Christmas Cove have become social snorkeling hubs and Lovango Cay keeps a quieter, resort-style vibe. Great St. James and Little St. James carry layered histories—Indigenous habitation, colonial claim, private ownership—and the shoreline still bears stone ruins and classic Caribbean sightlines.
Practical side: the charter takes up to eight guests and includes snorkeling gear, bottled water, soda, beer and rum punch. Guests meet at American Yacht Harbor in Red Hook (or arrange pickup at Cruz Bay); expect a 9:00 a.m. departure and a flexible itinerary with 1–2 snorkel stops. Seas can be calm or chop along open stretches — bring a light jacket and sea-sickness meds if you’re sensitive.
Onboard, use reef-safe sunscreen, secure loose gear before swimming, and follow crew guidance for anchoring and reef etiquette. Timing your trip for morning light improves visibility for snorkeling and keeps the afternoon trade winds from building too high. It’s a day that pairs easy luxury with hands-on marine time: the boat does the navigation, the water dares you to jump in.
Primary departure is American Yacht Harbor in Red Hook, St. Thomas; pickup at Cruz Bay, St. John can be arranged—confirm in advance.
Yes—snorkeling equipment is provided, though many guests bring their own masks for fit and comfort.
The charter includes bottled water, soda, beer and a house rum punch; plan to bring snacks or request catering if you need a meal.
Full refunds are available if canceled at least 24 hours before departure; the operator may cancel for bad weather.
Seas the Day Charters and Tours operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Morning light slices across the Caribbean as SY Mazu slips from her mooring and the bow invites you forward—salt on your lips, the motor’s low thrum blending with the gulls. On a private seven-hour excursion from Red Hook, the Gemini Legacy catamaran unspools access to the sheltered coves and coral gardens between St. Thomas and St. John.
Morning light slices across the Caribbean as SY Mazu slips from her mooring and the bow invites you forward—salt on your lips, the motor’s low thrum blending with the gulls. On a private seven-hour excursion from Red Hook, the Gemini Legacy catamaran unspools access to the sheltered coves and coral gardens between St. Thomas and St. John.
These islands sit on an ancient volcanic base capped with limestone and washed by warm Atlantic currents; reefs here host stony corals and reef fish that color the shallows. The route threads through waters protected by the Virgin Islands National Park, where places like Christmas Cove have become social snorkeling hubs and Lovango Cay keeps a quieter, resort-style vibe. Great St. James and Little St. James carry layered histories—Indigenous habitation, colonial claim, private ownership—and the shoreline still bears stone ruins and classic Caribbean sightlines.
Practical side: the charter takes up to eight guests and includes snorkeling gear, bottled water, soda, beer and rum punch. Guests meet at American Yacht Harbor in Red Hook (or arrange pickup at Cruz Bay); expect a 9:00 a.m. departure and a flexible itinerary with 1–2 snorkel stops. Seas can be calm or chop along open stretches — bring a light jacket and sea-sickness meds if you’re sensitive.
Onboard, use reef-safe sunscreen, secure loose gear before swimming, and follow crew guidance for anchoring and reef etiquette. Timing your trip for morning light improves visibility for snorkeling and keeps the afternoon trade winds from building too high. It’s a day that pairs easy luxury with hands-on marine time: the boat does the navigation, the water dares you to jump in.