A Sail Twin-deck is a type of sailboat with two decks, which gives the vessel more space and amenities for recreation and exploration. The upper deck typically holds the helm, navigation, and seating; while the lower deck may hold cabins, bathrooms, and other living space amenities. With two decks, Sail Twin-decks are perfect for living on the water, fishing, or on extended trips. Their wide array of amenities makes them ideal for recreational and competitive sailing.