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Please note: Pricing listed for our classic mahogany performance trimaran US Coast Guard Inspected trimaran are for up to 12 guests and include attendance of an experienced professional professional captain and mate/steward. Additional guests are invited at an additional price of $60/hr. A 20% minimum standard gratuity is added to the final total of all charters (before any GetMyBoat listing fees). She is available by Quotation for up to 25 guests (and larger events of up to 65 combined with our Schooner also on GetMyBoat for up to 41). Trimarans are multihulls similar to a catamaran. A trimarans blends the space and same stability of a catamaran with the performance of a true sailing yacht. This makes our classic mahogany trimaran a wonderfully fun boat that uniquely blends safety, stability, performance, and luxury. She has been fully refit in 2023 to provide wonderful accommodations and amenities to our guests. She features two identical lounges with both sun and shade, ample iced cooler space, and a Bluetooth speaker sound system. Our professional crews (included in price) are wonderful with hospitality along with seamanship and benefit from our operation that has chartered in the Sag Harbor and East End for fifteen years. For a lovely afternoon swim, Cosmos features a Paddle Board, swim floats and a large lily pad float for guests to use. If you have any questions, we can answer those through GetMyBoat’s messaging platform before you pay. Just hit, “Send Booking Inquiry” and send us an inquiry for a custom offer.

SM
We did a sunset cruise and it was epic, such a great crew and chill vibe all around. We'd definitely do it again!
KW
We had an absolutely amazing day!! Had the best crew and the set up on the boat was perfect. Great details and touches.
MS


Captain Toby has been safely operating fun luxury charters in the Hamptons and Eastern Caribbean for over 15 years. He has been a captain and worked professionally on boats for the past 25- years after growing up on boats. Toby is emphatic that his boats exceed coast guard certification requirements and stays ahead of industry standards on safety training.
You’ll get helpful information for your departure after your booking is confirmed.
Street Address For Arrival
Departure Location
Free cancellation up to 14 days before your trip.
The above quoted rate is for up to 12 guests. Additional guests beyond 12 are an additional fee. We are happy to answer any questions about rates or the experience before booking. We offer a full refund for cancellations 14 days before charter and rescheduling 7 days prior to charter. Inside that, any charter will be refunded to the extent we can rebook it for the same rate.