Bridgton and Saco River Narrow Gauge Railroad
- History of this railway line with photographs provided by the Bridgton Historical Society.
- http://www.bridgtonhistory.org/Museum/NarrowGaugeRailroad/tabid/71/Default.aspx

Guilford Rail System
- Old map provides details for train runs.
- http://www.guilfordrail.com/Maps/map.htm

Oakfield Railroad Museum
- Dedicated to the early years of railroad transportation. Features historic photographs, vintage signs, telegraph equipment, restored cars, and the old station building.
- http://www.ainop.com/users/oakfield.rr/Oakfield-rr-museum.html

History of Railroading in Maine
- Brief overviews of each line that has existed in the state.
- http://www.state.me.us/mdot/freight/railroading-history.php

Boothbay Railway Village
- Exhibits of vintage trains, autos, and a recreated rural village. Operational narrow gauge railway transports visitors around property.
- http://www.railwayvillage.org/

Seashore Trolley Museum
- Kennebunkport. Began 60 years ago to save a small, local railroad. Today it boasts rollingstock numbering 250.
- http://www.trolleymuseum.org/

Bangor and Aroostook Railfan
- Details presented includes locomotive pictures, current runs, and data sought by Iron Horse fans. Provides detailed photographs.
- http://www.rr-fallenflags.org/bar/bar.html

The Maine Two Foot Railroads
- Features the history of the Sandy River and Rangeley Lakes Railroad including the sale of a video and related narrow gauge train memorabilia.
- http://www.sandyriver.com/

Belfast and Moosehead Lake Rail Road Company
- Rides between Unity and Belfast as well as special events and excursions throughout the year. Online schedules and dates.
- http://belfastrailroad.com/

The 470 Railroad Club
- Maine Central Railroad fans established this club to comemerate the last steam locomotive passenger service in Maine. Postcards available.
- http://www.470rrclub.org/