A boat sack is a portable storage bag designed specifically for boating purposes. It is typically made of durable, waterproof materials to protect its contents from water and moisture. The boat sack is spacious enough to hold essential items such as safety equipment, navigation tools, personal belongings, and provisions needed for a boating adventure. Its design often includes sturdy handles or straps for easy carrying and securing it on the boat. With a boat sack, sailors can conveniently organize and transport their gear, ensuring a safe and enjoyable voyage on the water.