| Chesapeake Beach Railway Museum | Events and activities involving the Chesapeake Beach Railway Museum (CBRM) and the Friends of the CBRM. |
| Fossil Club | Lectures, meetings, and other events involving the Calvert Marine Museum's Fossil Club. |
| Main Calendar | |
| Solomons Island Model Boat Club (SIMBC) | |
| Summer Waterside Concert Series | |
| Volunteer | Calvert Marine Museum Volunteer Council meetings and other events. |