Buying a boat is exciting, but the finance decisions can shape the experience long after launch day. This practical guide helps Australian buyers understand boat loans, marine finance options, repayments, interest rates, fees and the wider costs that often sit beyond the purchase price. Inside, readers will learn how secured and unsecured boat loans differ, how to use repayment calculators, what lenders may look for during an application, and how insurance, maintenance, storage, fuel and registration can affect affordability. With plain-English explanations, checklists, FAQs and simple examples, it is designed for first-time buyers, returning boaters and anyone comparing finance before signing.