| Business | Phone |
| Dorchester Cnty Hstrcl Society 902 Lagrange Ave, Cambridge 21613 | (410) 228-7953 |
| Dorchester Heritage Museum 1904 Horns Point Rd, Cambridge 21613 | (410) 228-5530 |
| Richardson Maritime Museum 401 High St, Cambridge 21613 | (410) 221-1871 |
| Richardson Museum Boat Works 200 Maryland Ave, Cambridge 21613 | (410) 221-8844 |