A 'Boat Dealer' in Manhattan is a person who is involved wholly or partly in the trade of selling or offering for sale, buying or taking in business for the purpose of resale, or exchanging any boat or boats and receives or expects to receive money, profit or any other thing of same worth. The dealers in Manhattan are provided with a manufacturer number or boat registration number for their individual products and the same is valid for a maximum of one year. These numbers are non-transferable and the same becomes invalid upon the sale or closure of the business. In order to prove that the boat dealer is eligible for licensure as a boat dealer, it is required to show a sale of six or more boats or vessel trailers or both in any calendar year. The boat dealer will exhibit the eligibility for renewal of his license by selling six or more boats or vessel trailers or both in the previous calendar year when he was licensed as a boat dealer. Lot of boat dealers in Manhattan advertise online for thousands of new and used boats selling, where the clients can check out the prospects and then invest. While buying a boat or vessel from the boat dealer, one should check for the warranty documents.