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 northernmost deepwater port on the mighty 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.