| T1 | Center for Maine Contemporary Art | tourism=museum | Rockland |
| T1 | Coastal Children's Museum↗ | tourism=museum | Rockland |
| T1 | Conway House Museum↗ | tourism=museum | Camden |
| T1 | Curtis Island Lighthouse | tourism=museum | Camden |
| T1 | Cushing Historical Society | tourism=museum | Cushing |
| T1 | Farnsworth Art Museum↗ | tourism=museum | Rockland |
| T1 | Friendship Museum | tourism=museum | Friendship |
| T1 | Knox Mill Museum | tourism=museum | Camden |
| T1 | Maine Lighthouse Museum↗ | tourism=museum | Rockland |
| T1 | Mary Meeker Cramer Museum | tourism=museum | Camden |
| T1 | Matthews Museum of Maine Heritage↗ | tourism=museum | Union |
| T1 | Montpelier | tourism=museum | Thomaston |
| T1 | North Haven Historical Society↗ | tourism=museum | North Haven |
| T1 | North Haven Museum↗ | tourism=museum | North Haven |
| T1 | Owls Head Transportation Museum↗ | tourism=museum | Owls Head |
| T1 | Sail Power & Steam Museum↗ | tourism=museum | Rockland |
| T1 | Saint George Historical Society | tourism=museum | St. George |
| T1 | Shore Village Lighthouse Museum Library | tourism=museum | Rockland |
| T1 | Shore Village Museum | tourism=museum | Rockland |
| T1 | Thomaston Historical Society | tourism=museum | Thomaston |
| T1 | Union Historical Society | tourism=museum | Union |
| T1 | Vinalhaven Historical Society Museum↗ | tourism=museum | Vinalhaven |
| T1 | Waldoborough Historical Society | tourism=museum | Waldoboro |