Saint Charles Sportsman's Club
- A not-for-profit hunting, fishing, and sporting club. Events, notices and membership information.
- http://www.stcharlessc.com/

St. Charles Maryland
- A 9,100 acre master planned community in historic Charles County Maryland. Offering both the amenities of a rural setting and the vast employment, cultural and entertainment opportunities of the Washington D.C. metropolitan area.
- http://stcharlesmd.com