Things To Do In Southern Maryland October 16 Through October 22, 2026

Southern Maryland’s BayNet Events Calendar highlights family-friendly options from Oct. 16 through Oct. 22, 2026, spanning Calvert, Charles and St. Mary’s counties. In Calvert County, Public Archaeology sessions run Fri. Oct. 16 and Sat. Oct. 17 (9 a.m.-3 p.m.) at Jefferson Patterson Park and Museum, with advance registration and tickets required. Halloween-season Trunk-Or-Treats continue across communities including Prince Frederick, Lusby, Solomons and nearby areas. Weekend festivals include Horsmon Farm Harvest Festival (Oct. 16-18) and a Fourth Annual Fall Festival at Rolling Acres Farm through Nov. 1. Solomons Ghost Tours (Oct. 16-18) and multiple nature-center events add evening and daytime activities, with tickets required for many.