Located on a peninsula, the Town of 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 deepwater port before Washington, DC, on the Potomac, with a protected harbor and 10 marinas to service mariners. Available services include boat slips accommodating vessels up to 150 ft. and 9 ft. draft; fuel docks including non-ethanol and diesel; electric, cable, phone and wifi; bathhouses with heat and A/C; boatyard, supplies and towing; brokerage and restoration. Some marinas offer courtesy car or golf cart to get around Town.