| Type | Stalls | Year Built | Railroad | Current Use | City | State | Country | Notes |
| Turntable Only | | | Wiscasset, Waterville & Farmington | Wiscasset, Waterville and Farmington museum | Alna | ME | USA | Operational 2-foot gauge turntable at tourist railroad. 3-stall roundhouse completed in the fall of 2024. |
| Visual Remains Only | | | Maine Central | vacant lot | Bingham | ME | USA | turntable ring visible, for end of line turning |
| Visual Remains Only | 1 | 1881 | Bangor & Katahdin Iron Works | adjacent to trail | Brownville | ME | USA | Turntable pit remains. |
| Visual Remains Only | | | Canadian Pacific | Central Maine and Quebec yard | Brownville | ME | USA | foundation visible |
| Turntable Only | | | Maine Central | unused yard | Bucksport | ME | USA | End of line Turning |
| Roundhouse Only | 9 | | Maine Central | warehouse | Calais | ME | USA | no turntable nor tracks, appears intact |
| Roundhouse and Turntable | 5 | | Bangor & Aroostook | abandoned? | Caribou | ME | USA | |
| Roundhouse and Turntable | 8 | | Bangor & Aroostook | Central Maine and Quebec yard | Derby | ME | USA | |
| Roundhouse Only | 18 | | Grand Trunk Western | Maine Bureau of Motor Vehicles offices | East Deering | ME | USA | |
| Visual Remains Only | 3 | | Washington County | Grass Field | Eastport | ME | USA | Turntable ring still visible |
| Visual Remains Only | 2 | | Bangor & Aroostook | railroad property | Fort Fairfield | ME | USA | 75-foot turntable filled in by 2006 and razed by 1985. |
| Visual Remains Only | | | Maine Central | public private UNKNOWN | Hancock | ME | USA | TT ring and Foundation visible |
| Roundhouse Only | 12 | 1907 | Bangor & Aroostook | Bangor Hermon Railyard Storage | Hermon | ME | USA | |
| Visual Remains Only | | | Bridgeton & Saco River | woods | Hiram | ME | USA | 2 foot gauge turntable remains at Bridgeton Junction |
| Visual Remains Only | | | Bangor & Aroostook RR | demolished | Houlton | ME | USA | |
| Visual Remains Only | | | Sandy River & Rangley Lakes | parking lot | Kingfield | ME | USA | |
| Visual Remains Only | | | Bangor & Aroostook | vacant lot | Lagrange | ME | USA | turntable ring and foundation outline visible |
| Roundhouse Only | 7 | 1907 | Bangor & Aroostook | yard | Millinocket | ME | USA | Pit without turntable and 3 stalls remain. |
| Visual Remains Only | | | | near CSX main line | North Berwick | ME | USA | Turntable pit foundation is partially visible. RJ Corman crews are clearing the area. |
| Visual Remains Only | 5 | | Somerset | woods | Oakland | ME | USA | Turntable ring can be seen next to main. |
| Roundhouse and Turntable | 8 | | Sandy River | Sandy River and Rangely Lakes | Phillips | ME | USA | |
| Visual Remains Only | 22 | 1920 | Portland Terminal Company | CSX Rigby yard | Portland | ME | USA | Roundhouse foundation removed and turntable pit filled in in 2022. Two lead tracks, yard office, and Tower A building remain. |
| Visual Remains Only | | | New Brunswick Railway | private back yard | Presque Isle | ME | USA | |
| Roundhouse and Turntable | 5 | 1921 | Maine Central | Central Maine and Quebec yard | Rockland | ME | USA | In use by the Knox & Cumberland Railroad. |
| Roundhouse Only | 7 | | Maine Central | Pan Am yard | Rumford | ME | USA | roof in poor condition, turntable gone |
| Turntable Only | | | Bangor & Aroostook | wooded lot | Saint Francis | ME | USA | turntable in disrepair, no tracks, for end of the line turning |
| Visual Remains Only | | | Portsmouth, Great Falls & Conway | roadside historical preservation with marker | South Berwick | ME | USA | Turntable pit constructed with large stone blocks. No bridge nor tracks. |
| Visual Remains Only | | | Belfast & Moosehead Lake | roadside attraction | Unity | ME | USA | Turntable pit remians but there was never a roundhouse. The turntable was purchased in 2010 by the Great Smoky Mountains Railroad, Bryson City, NC and was moved in 2013. A new turntable has been obtained and is planned to be installed. |
| Visual Remains Only | 6 | 1900 | European & American (MEC) | New Brunswick Southern yard | Vanceboro | ME | USA | First roundhouse (1880) had 9 stalls in a wood frame half circle. Second roundhouse (1990) had 6 stalls and was gone by 1996. |
| Roundhouse and Turntable | 18 | 1910 | Maine Central | railroad yard | Waterville | ME | USA | |