St. Mary's County Homes For Sale

413Results

St. Mary's is a historic county located on the St. Mary’s Peninsula which extends out into the Chesapeake Bay. Homes for sale in this group of waterfront communities are bordered by the Potomac River to the west and the Patuxent River to the east, about 30 miles south of Washington DC.

Newest

St. Mary's County Beach HomeThere is a unique sense of history here because of the important role that this county played in the development of colonial America – St. Mary’s City was the original Maryland state capital and it is widely considered the “birthplace of religious freedom in America.”

Since its inception, the county has remained a bustling center of activity in southern Maryland. St. Mary's County real estate gives residents access to beautiful parks and beaches. Many residents partake in sailing and fishing in the Potomac River and the Chesapeake Bay.

View Real Estate In St. Mary's County

Search current homes for sale in Saint Mary's County, MD. Contact us if you have questions or would like to schedule a showing. You might also be interested in Califonia (Lexington Park) Real Estate.

Copyright 2026 BRIGHT, All Rights Reserved.  Information Deemed Reliable But Not Guaranteed. The data relating to real estate for sale on this website appears in part through the BRIGHT Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms in which RE/MAX Realty Group participates, and is provided by BRIGHT through a licensing agreement. The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.Data last updated June 1, 2026. Some properties which appear for sale on this website may no longer be available because they are under contract, have Closed or are no longer being offered for sale.