Deep Falls is a historic home located at Chaptico, St. Mary's County, Maryland, United States.

It began as a one-story four-room frame house that was reportedly built in 1745.

[2] Deep Falls has always been in the ownership of the Thomas family, descendants of Governor James Thomas of Maryland and the famous Civil War spy Richard Thomas (Zarvona).

Deep Falls was listed on the National Register of Historic Places in 1975.

This article about a Registered Historic Place in St. Mary's County, Maryland is a stub.