Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Saint Marys Catholic Church | Church | 21 | Sagadahoc | 43 54 56 N | 069 49 28 W |
| Schoodic Peninsula | Cape | 21 | Hancock | 44 22 00 N | 068 03 29 W |
| Sebascodegan Island | Island | 21 | Cumberland | 43 49 36 N | 069 54 33 W |
| Shapleigh Middle School | School | 21 | York | 43 06 53 N | 070 44 35 W |
| Small Point Church | Church | 21 | Sagadahoc | 43 45 47 N | 069 50 17 W |
| South Freeport Post Office | Post Office | 21 | Cumberland | 43 49 24 N | 070 06 40 W |
| South Warren Cemetery | Cemetery | 21 | Knox | 44 04 42 N | 069 13 40 W |
| Southport Island | Island | 21 | Lincoln | 43 49 16 N | 069 39 52 W |
| Sprague Falls | Falls | 21 | Washington | 44 38 42 N | 067 59 38 W |
| Sprague Pond | Lake | 21 | Sagadahoc | 43 47 03 N | 069 50 04 W |
| Stevens Academy | School | 21 | Hancock | 44 24 49 N | 068 35 25 W |
| Thurlow Head | Cape | 21 | Hancock | 44 08 20 N | 068 40 09 W |
| Torrey Pond | Lake | 21 | Hancock | 44 14 39 N | 068 38 50 W |
| Town of Steuben | Civil | 21 | Washington | 44 27 46 N | 067 55 48 W |
| Township of Edmunds | Civil | 21 | Washington | 44 53 00 N | 067 15 28 W |
| Trenton School | School | 21 | Hancock | 44 26 15 N | 068 22 28 W |
| Trinity Harbor Church | Church | 21 | York | 43 08 10 N | 070 37 58 W |
| Turretts Building | Building | 21 | Hancock | 44 23 42 N | 068 13 18 W |
| Ukranian Orthodox Church | Church | 21 | Sagadahoc | 44 04 51 N | 069 48 20 W |
| Unitarian Universalist Church | Church | 21 | Cumberland | 43 54 40 N | 069 57 49 W |
| Unitarian Universalist Church | Church | 21 | York | 43 29 51 N | 070 26 29 W |
| United Methodist Church | Church | 21 | Sagadahoc | 43 55 33 N | 069 48 51 W |
| Washington County Courthouse | Building | 21 | Washington | 44 42 58 N | 067 27 34 W |
| Washington County Jail | Building | 21 | Washington | 44 42 58 N | 067 27 34 W |
| Webster Park | Park | 21 | Penobscot | 44 53 10 N | 068 40 07 W |
| Wells | Populated Place | 21 | York | 43 19 19 N | 070 34 51 W |
| Wells Elementary School | School | 21 | York | 43 19 12 N | 070 35 02 W |
| Westbrook Post Office (historical) | Post Office | 21 | Cumberland | 43 40 33 N | 070 22 00 W |
| Wiggins Pond | Reservoir | 21 | York | 43 23 37 N | 070 32 34 W |
| William H Rowe School | School | 21 | Cumberland | 43 48 11 N | 070 11 17 W |
| Williams Playground | Park | 21 | Penobscot | 44 48 14 N | 068 45 32 W |
| WLPZ-AM (Westbrook) | Tower | 21 | Cumberland | 43 40 50 N | 070 22 45 W |
| Wonderland Trail | Trail | 21 | Hancock | 44 13 54 N | 068 19 55 W |
| York Historic District | Park | 21 | York | 43 08 44 N | 070 39 08 W |
| Apostolic Revival Center | Church | 20 | Washington | 45 11 18 N | 067 16 42 W |
| Arrowsic School (historical) | School | 20 | Sagadahoc | 43 53 17 N | 069 47 18 W |
| Bar Harbor Congregational Church | Church | 20 | Hancock | 44 23 15 N | 068 12 22 W |
| Barlett Cemetery | Cemetery | 20 | Sagadahoc | 43 47 15 N | 069 52 04 W |
| Bath | Populated Place | 20 | Sagadahoc | 43 54 38 N | 069 49 14 W |
| Bay Ridge School | School | 20 | Washington | 44 40 14 N | 067 15 23 W |
| Beacon Corner | Populated Place | 20 | York | 43 25 45 N | 070 27 14 W |
| Beal College | School | 20 | Penobscot | 44 47 06 N | 068 46 51 W |
| Beal Island | Island | 20 | Sagadahoc | 43 52 42 N | 069 44 10 W |
| Beech Ridge Speedway | Locale | 20 | Cumberland | 43 36 36 N | 070 22 48 W |
| Bobsled Rips | Rapids | 20 | Washington | 44 46 47 N | 067 35 42 W |
| Bowdoinham Community School | School | 20 | Sagadahoc | 44 00 44 N | 069 53 43 W |
| Brunswick Post Office | Post Office | 20 | Cumberland | 43 54 51 N | 069 58 02 W |
| Bulger Hill | Summit | 20 | Hancock | 44 14 20 N | 068 15 10 W |
| Camden Yacht Club | Locale | 20 | Knox | 44 12 16 N | 069 03 35 W |
| Cape Wash | Cape | 20 | Washington | 44 37 47 N | 067 15 32 W |
| Captain John Curtis Memorial Library | Building | 20 | Cumberland | 43 54 51 N | 069 58 01 W |
| Cary W Bok Swimming Pool | Locale | 20 | Hancock | 44 23 14 N | 068 48 09 W |
| Cathedral School | School | 20 | Cumberland | 43 39 43 N | 070 15 15 W |
| Chandler Parker Mountain | Summit | 20 | Hancock | 44 26 30 N | 068 39 43 W |
| Chase Mill Dam | Dam | 20 | Washington | 44 45 24 N | 067 21 40 W |
| Chestnut Street United Methodist Church | Church | 20 | Cumberland | 43 39 30 N | 070 15 31 W |
| Columbia | Populated Place | 20 | Washington | 44 39 29 N | 067 46 28 W |
| Congregational Church of Rockland | Church | 20 | Knox | 44 06 15 N | 069 07 10 W |
| Crockett Cove Woods Preserve | Park | 20 | Hancock | 44 10 55 N | 068 42 22 W |
| Crow Hill | Summit | 20 | York | 43 22 15 N | 070 26 38 W |
| Davenport Park | Park | 20 | Penobscot | 44 47 51 N | 068 46 27 W |
| Devils Head | Summit | 20 | Hancock | 44 06 37 N | 068 29 37 W |
| Dodges Cove | Bay | 20 | Knox | 44 03 58 N | 068 36 02 W |
| Dog Town | Populated Place | 20 | Washington | 44 43 23 N | 067 22 46 W |
| Dyer Library | Building | 20 | York | 43 30 07 N | 070 26 29 W |
| East Point | Cape | 20 | Hancock | 44 17 21 N | 068 14 03 W |
| Ellsworth Dam | Dam | 20 | Hancock | 44 32 42 N | 068 25 46 W |
| Ellsworth Power House | Building | 20 | Hancock | 44 32 39 N | 068 25 48 W |
| Faith House Womans Shelter | Building | 20 | Cumberland | 43 39 19 N | 070 16 05 W |
| Faith Lighthouse | Church | 20 | York | 43 31 02 N | 070 24 39 W |
| Farmingdale | Populated Place | 20 | Kennebec | 44 14 40 N | 069 46 17 W |
| Farnham Cemetery | Cemetery | 20 | Lincoln | 43 51 19 N | 069 34 34 W |
| Farnsworth Cemetery | Cemetery | 20 | Knox | 44 05 51 N | 069 07 23 W |
| First Congregational Church | Church | 20 | York | 43 07 34 N | 070 47 36 W |
| First Parish Congregational Church | Church | 20 | York | 43 30 03 N | 070 26 33 W |
| Five Island Second Baptist Church | Church | 20 | Sagadahoc | 43 49 20 N | 069 42 58 W |
| Forest Hill Cemetery | Cemetery | 20 | Knox | 44 00 50 N | 069 08 35 W |
| Forest Hills Cemetery | Cemetery | 20 | Washington | 44 37 32 N | 067 48 10 W |
| Forest Pond | Reservoir | 20 | Knox | 43 59 54 N | 069 21 12 W |
| Forest Pond Dam | Dam | 20 | Knox | 43 59 54 N | 069 21 12 W |
| Frisbee Elementary School | School | 20 | York | 43 05 50 N | 070 44 10 W |
| Gardner Lake | Lake | 20 | Washington | 44 46 23 N | 067 21 12 W |
| Governor John Fairfield School | School | 20 | York | 43 29 58 N | 070 26 32 W |
| Grace Bible Fellowship Building | Church | 20 | Knox | 44 06 05 N | 069 08 09 W |
| Great Wass Island Preserve | Park | 20 | Washington | 44 29 00 N | 067 35 24 W |
| Hall Hill | Summit | 20 | Sagadahoc | 43 51 00 N | 069 45 22 W |
| Hardhead Island | Island | 20 | Hancock | 44 13 29 N | 068 45 13 W |
| Hardwood Island | Island | 20 | Hancock | 44 18 14 N | 068 27 07 W |
| Harriet Beecher Stowe House | Building | 20 | Cumberland | 43 54 47 N | 069 57 39 W |
| Hat Island | Island | 20 | Hancock | 44 08 33 N | 068 30 06 W |
| Haven | Populated Place | 20 | Hancock | 44 15 59 N | 068 35 11 W |
| Hemlock Trail | Trail | 20 | Hancock | 44 22 09 N | 068 12 45 W |
| Hibbard School | School | 20 | Washington | 44 57 52 N | 067 04 28 W |
| High Head | Summit | 20 | Hancock | 44 15 18 N | 068 34 24 W |
| High Island Granite Quarry (historical) | Mine | 20 | Knox | 44 00 50 N | 069 03 38 W |
| Interchange 18 | Crossing | 20 | Cumberland | 43 48 26 N | 070 10 05 W |
| Interchange 6 | Locale | 20 | Cumberland | 43 37 55 N | 070 20 39 W |
| International Christian Church | Church | 20 | Cumberland | 43 39 31 N | 070 15 31 W |
| Island Community Medical Center | Hospital | 20 | Knox | 44 02 46 N | 068 49 48 W |
| Johns Island | Island | 20 | Hancock | 44 06 34 N | 068 24 17 W |
| Jordan Cemetery | Cemetery | 20 | Hancock | 44 31 14 N | 068 25 02 W |
| Kennebunk Free Library | Building | 20 | York | 43 23 16 N | 070 32 18 W |
| Knight Cemetery | Cemetery | 20 | Lincoln | 43 56 54 N | 069 41 03 W |
| Lake Leonard | Reservoir | 20 | Hancock | 44 32 42 N | 068 25 46 W |
| Laurel Hill Cemetery | Cemetery | 20 | York | 43 29 36 N | 070 25 38 W |
| Leonard Lake | Lake | 20 | Hancock | 44 33 00 N | 068 26 21 W |
| Linekin | Populated Place | 20 | Lincoln | 43 50 21 N | 069 35 28 W |
| Long Pond | Lake | 20 | Hancock | 44 39 26 N | 068 41 05 W |
| Loon Lake | Lake | 20 | Washington | 44 49 48 N | 067 21 49 W |
| Lower River Dam | Dam | 20 | Washington | 44 57 48 N | 067 09 40 W |