The Lighthouse is located in Southern Maryland along the Potomac River.
From the Washington Capital Beltway exit to Maryland Route 5 south and follow through Waldorf to Leonardtown to Callaway. Turn right on Route 249 and drive 9 miles to Lighthouse Road on the right. Follow to the end.
OR, if coming from the north or south, pick up Route 5 south from US 301 in Waldorf, MD and proceed as above.