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Calvert Marine Museum Otters
Explore Calvert County, Maryland

175 Main St.
Prince Frederick, MD 20678
Ph: 410-535-4583
Fx: 410-535-4585

Discover amazing adventures and unspoiled beauty in Southern Maryland’s Calvert County. With abundant waterways and natural parks, unique shops and museums, excellent restaurants and a calendar filled with interesting events and activities, Calvert County is truly the “Charm of the Chesapeake."

What's New? - View All
Fourth Annual Bay Harvestfest is Oct. 4
Celebrate the season at North Beach with craft and food vendors, children's activities, live music, crabs, shrimp and beer. View full details here.
Rockfish Season Opens on the Chesapeake Bay April 19
It’s the season fishermen in Southern Maryland and beyond have been waiting for: Rockfish season begins Saturday, April 19. Read on...