Skip to content

Caribbean Sea Adventures

Buck Island is ranked the #1 thing to do in St. Croix. Known for its fabulous snorkeling and white sand beach, you don’t want to miss this. Caribbean Sea Adventures offers a variety of tour packages and private charters. From full or half day trips to explore Buck Island’s underwater snorkel trail, to sunset sails with complimentary rum punch, there is an option for every occasion. We operate SIX boats for power and sailing excursions.

Location: Christiansted
Phone: (340) 773-2628

No trip to St. Croix is complete without a trip to beautiful Buck Island, the first underwater national park. Spend the day or a half-day on this uninhabited island, known for its fabulous snorkeling. "One of the world's best beaches" according to National Geographic, Buck Island is surrounded by aqua waters and extensive coral reefs.

We offer daily Buck Island snorkeling/beach trips, private charters, and sunset sails. Buck Island Reef National Monument is a must for every visitor whether you snorkel the underwater trail or just enjoy the beach! Buck Island’s main beauty lies in the surrounding coral reef ecosystem and its unique underwater trail.

Book your Buck Island Tour now!


With six boats to choose from, Caribbean Sea Adventures offers a wide range of unique private and small group powerboat and sailing charters. No matter what you are looking for on the waters of St. Croix, we have it for you. Already been to Buck? Try one of our Island Tours, Fishing Trips, or Parasailing.


Our team will help you select a trip that is right for you or design a private tour that meets your needs. All of our Captains are fully licensed by the US Coast Guard with a combined 147 years of experience at Buck Island, allowing you to experience the best from the paradise we call home.



Built in 2021 this is a luxurious tour boat with all the amenities you are looking for. She is fast but comfortable, featuring plush cushioned seats, full standing bathroom, boarding stairs, freshwater shower and bar. Come experience the latest and greatest from our team.



Smooth Recovery has twin 300 HP outboards so getting to and from Buck Island has never been more fun, or stylish. Reserved exclusively for private charters up to six guests this is the most luxurious way to experience the waters around St. Croix. This boat can take can take you anywhere, just ask.


Sailing Vessel Inconceivable, a 42 ft catamaran, is the perfect platform for every occasion. With ample shade, seating, and all the creatures comforts you could want for up to 12 guest. Departing from Green Key Marina at the time of your choosing and returning. All the essentials are included but please ask for anything that would make your time with us more enjoyable.


Wave Dancer is a custom built catamaran ideal for those looking for a day sail experience without 50 of their newest friends. Experience the natural wonder of Buck Island National Monument in pure solitude (minus the captain of coarse) or invite up 15 of your loved ones to join you. All public and private charters are limited to 16 guests.



Betty Ann and Mile Mark are all custom dive/snorkel boats built to provide guests with easy access to and from the water. The stern-mounted dive platforms are the ideal setup for snorkel lessons.  You set the time and pick up location based on your needs. Combine a Buck Island snorkel and beach trip with a relaxing sunset cruise back to Christiansted for the perfect fun filled day.

Have a larger group? No problem, we have you covered! Caribbean Sea Adventures can accommodate 133 guests across 6 vessels at one time. Please call (340)-773-BOAT(2628) to arrange multi vessel departures.

Read More about Caribbean Sea Adventures and Buck Island

Caribbean Sea Adventures

Explore the Caribbean Sea with us! Caribbean Sea Adventures offers a variety of boating packages to fit your every need. From full or half day trips to explore Buck Island, to sunset sails with complimentary rum punch, there is an option for every occasion. Book a private charter for a more intimate experience, or for…

Read More

Caribbean Sea Adventures Charters

Caribbean Sea Adventures offers a variety of private charters to fit your needs. Take one of our popular Buck Island full or half day snorkel tours, or charter one of the boats in our fleet for your very own adventure around St. Croix. Enjoy a picturesque sail to Buck Island or venture off to explore…

Read More

Going Beyond Buck Island Tours

For many years, Caribbean Sea Adventures has been synonymous with snorkel tours to St. Croix’s beautiful Buck Island. Known for having the only glass bottom boat on St. Croix, coupled with a long time reputation for fun and professional tours, Caribbean Sea Adventures has been a local favorite Buck Island charter for decades. Now, they are…

Read More