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Spend the day on your own 50' Luxury Catamaran Yacht. This price is all inclusive for the Yacht, up to 12 guests. You can select a half or full day charter. Visit the islands of St. Thomas, St. John and surrounding cays.
SY Sirena is a 50′ Luxury catamaran with a spacious salon that opens on to an expansive back deck with seating and dining. The bow of the boat offers relaxing seating with bean bag chairs and large trampolines for group conversations, tanning or intense turtle, dolphin watching.
There are plenty of water toys to keep you entertained, from snorkeling equipment to relaxing floats. Price includes ice, soda, beer and rum punch. You and our captain will design an itinerary that best meets the needs of your group.
*Please note the BVI is not available on this vessel, but a visit to the BVI can be booked under Product Codes 111649P24 or 111649P25. Departure from American Yacht Harbor in Red Hook; pickup from Cruz Bay, STJ possible with advance request after booking.
Service animals allowed
Public transportation options are available nearby
Infants and small children can ride in a pram or stroller
Suitable for all physical fitness levels
Seas the Day USVI is dedicated to a healthy experience. We have partnered with RayBiotech and all of our Captains and Crew are tested for Covid 19 each month. You will see each wearing a Covid Free bracelet. Each of our vessels are sanitized after each trip using established CDC and WHO guidelines. Since this is primarily an outdoor activity, masks are not required but can be worn by our guests if preferred.
For a full refund, cancel at least 24 hours before the scheduled departure time.
Use of Floats
Soda/Pop
Use of Snorkelling equipment
We practice eco-friendly habits aboard and all water provided by Virgin H2O.
Beer and Seas the Day Signature Rum Punch are Included
Restroom on board
Tips for Captain & Crew. For exceptional service, it is customary to tip 15-20%.
Lunch is excluded but can be purchased at many locations.
Visiting the BVI
Secret Harbour
With a private charter, you can design your own itinerary. Spend as much time as you desire at each location. However, we always recommend at least 1.5 hours at each stop to truly enjoy the waters and activities.
Brewer's Bay
With a private charter, you can design your own itinerary. Spend as much time as you desire at each location. However, we always recommend at least 1.5 hours at each stop to truly enjoy the waters and activities.
602 đánh giá
Tổng số đánh giá và xếp hạng từ Viator & TripAdvisor
alissar616,
26 thg 11, 2025
- Đánh giá từ Tripadvisor
So much fun!!!! Alex and Alicia are the BEST!!! They’re truly knowledgeable about the best spots, absolutely attentive to your every need, and just overall special people. It’s evident they take pride in what they do and want you to have the best time. They made a fantastic day even better.
X2521DBdanielles,
25 thg 11, 2025
- Đánh giá từ Tripadvisor
We chartered a private boat with Captain Alex and skipper Megan. The experience from start to finish was incredible! We felt well taken care and safe the entire time. They customized the experience to us which was so special. They always made sure we had what we needed and were comfortable with drinks, etc. Megan snorkeled with us and helped us find the good spots. Captain Alex also acted as our DJ playing great music on the way and telling memorable stories. He was incredibly knowledgeable about all things St Thomas and the sea. We even contacted them to see if they could take us on another boat trip before we left because they were so wonderful. If you charter a boat with Seas the Day, make sure you request their team. They are the best! All the sights were amazing but the two of them really took it to another level. Thanks Alex and Megan!!!
J2965GCkevinp,
12 thg 11, 2025
- Đánh giá từ Tripadvisor
We had a group of 8 that did a half day afternoon charter on one of their catamarans. This was our 2nd time doing this excursion with Seas the Day, we returned because it was such a fantastic experience the first time 2 years ago. Unfortunately this time was nowhere near the same experience. It started off with someone getting upset at part of my party for using a restroom that one of the crew took us to use. When we arrived at the snorkeling locations we parked a long distance from the area they suggested we swim to. Also, the crew didn't seem to give very good guidance on where to snorkel. The 2 areas we snorkeled were not good at all. Almost no rock or coral formations, almost no fish and we didn't see any turtles or rays. While I know they can't control the marine life in the water, it seemed like more of a location issue compared to our last experience with them. Finally when we got back a little late, then the crew couldn't open the gate at the end of the dock. Thank god I was in contact with my driver and he waited for us as it was getting tight to get back to our Ship. Someone on the other side finally came over to unlock the gate. We got back to the ship about 20 minutes before departure after a 'fast' drive back by our driver to make it before our ship departed. I will say, the crews were friendly enough and it wasn't a 'terrible' experience but was nothing like what we had 2 years ago. Overall an ok experience on the boat and a poor experience snorkeling. The last time our glasses were always full with rum punch, that was not the case this time. We won't be booking again in the future.
Jet47942998078,
8 thg 11, 2025
- Đánh giá từ Tripadvisor
We had a very enjoyable day on the water with a crew that took care of everyone in a professional and friendly manner. The boat was clean and comfortable.

HeatherE1278,
6 thg 11, 2025
- Đánh giá từ Tripadvisor
We took our "tribe" out on Seas the Day for a full day trip of laughter, outstandingly beautiful scenery, and immense wildlife. Capts Alex, Rogan, and Philip planned an exquisite journey with three snorkeling sites where we saw a shark, sea turtles, and thousands of brightly colored fish and sea life. They gave us details of the history in the islands we were visiting, and even pointed out Taylor Swift's favorite place to stay when she visits!! Maho Bay and Trunk Bay have the most incredibly beautiful water I've ever seen. 10 out of 10 starfish rating for this adventure. It was the highlight of our trip!! Highly recommend!!
















Amanda C,
2 thg 11, 2025
- Đánh giá từ Viator
Absolutely amazing!! Highly recommend it! JP and Lindsey were the best! Very attentive to our every needs!!
ostler elena,
24 thg 10, 2025
- Đánh giá từ Tripadvisor
Capt Wallens & Ro were great guides to snorkel on St Thomas & St John. Our first stop they parked literally in the middle of coral reefs filled with tropical fish. It was like swimming in a tropical fish tank. Next stop was Maho Bay where we were only one of two boats so no crowds at all. Lots of sea turtles and calm water. We headed back to Red Hook watching a beautiful, stormy sunset. Perfect day for our sibling trip!
Venture03067079426,
21 thg 10, 2025
- Đánh giá từ Tripadvisor
We had a great experience with Seas the Day. Our guide Megan was very knowledgeable of our snorkle sites which made the experience so much more enjoyable. Captain Alex took us to the perfect spots to see exactly what we were hoping to during our excursion.
Audra B,
8 thg 10, 2025
- Đánh giá từ Viator
Captain Maddy and Roe where absolutely amazing. Friendly helpful and fun. Loved the boat especially the bean bag chairs


Sydney K,
31 thg 8, 2025
- Đánh giá từ Viator
A great experience hands down!!! Service and attention to detail by Capt Mandy and her first mate Olivia was top notch!! Made the trip for my wife 50th Birthday!! The private beach was amazing and the rum punch was on point!!!
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