Do you own a boat that you use for recreation, business or perhaps a little of both? If so, you might be missing out on valuable tax-saving opportunities for your vessel. Let's set sail to explore five potential tax breaks for boat owners. 1. Mortgage Interest Deductions Under the right circumstances, your boat may qualify as a home for purposes of the mortgage interest deduction. Generally, you can deduct interest on mortgage debt incurred to buy, build or improve