Located on a peninsula, Colonial Beach is a river town bounded by the Potomac River and Monroe Bay. Only 35 nautical miles from the Chesapeake Bay, CBVA is the last deep water port before Washington, D.C. With a protected harbor and 10 marinas, these marinas can provide boat slips to accommodate vessels up to 150 ft with a 9? draft. Additional services include fuel docks with both diesel and non-ethanol gas, electric, wifi, marine supplies, towing, brokerage and restoration. Some marinas offer courtesy cars or golf carts to get around town.