Lighthouses in Maine

Lighthouses of Maine
Most of these have more images available on Commons -- see Category:Lighthouses in Maine and its subcategories.
These are all 70 lighthouses that have articles in WP:EN and that are mentioned on the US Coast Guard history site.

Cumberland County

• 
• 
  Cape Elizabeth Lights
  active
  NRHP
• 
  Halfway Rock Light
  active
  NRHP
• 
  Portland Breakwater Light
  private aid
  NRHP
• 
  Portland Head Light
  active
  NRHP
• 
  Ram Island Ledge Light
  active
  NRHP
• 
  Spring Point Ledge Light
  active
  NRHP

Hancock County

• 
• 
  Baker Island Light
  active
  NRHP
• 
  Bass Harbor Head Light
  active
  NRHP
• 
  Bear Island Light
  private aid
  NRHP
• 
  Blue Hill Bay Light
  inactive
• 
  Burnt Coat Harbor Light
  active
  NRHP
• 
  Crabtree Ledge Light
  destroyed
• 
  Deer Island Thorofare Light
  active
• 
  Dice Head Light
  active
• 
  Egg Rock Light
  active
  NRHP
• 
  Great Duck Island Light
  active
  NRHP
• 
  Mount Desert Light
  active
  NRHP
• 
  Prospect Harbor Point Light
  active
  NRHP
• 
  Pumpkin Island Light
  inactive
  NRHP
• 
  Winter Harbor Light
  inactive
  NRHP

Kennebec County

• 
• 
  Ladies Delight Light
  private aid
  NRHP

Knox County

• 
• 
  Browns Head Light
  active
  NRHP
• 
  Curtis Island Light
  active
  NRHP
• 
  Eagle Island Light
  active
• 
  Franklin Island Light
  active
• 
  Goose Rocks Light
  active
  NRHP
• 
  Heron Neck Light
  active
  NRHP
• 
  Indian Island Light
  inactive
  NRHP
• 
  Isle Au Haut Light
  active
  NRHP
• 
  Marshall Point Light
  active
  NRHP
• 
  Matinicus Rock Light
  active
  NRHP
• 
  Owls Head Light
  active
  NRHP
• 
  Rockland Harbor Breakwater Light
  active
  NRHP
• 
  Saddleback Ledge Light
  active
  NRHP
• 
  Tenants Harbor Light
  inactive
  NRHP
• 
  Two Bush Island Light
  active
• 
  Whitehead Light
  active
  NRHP

Lincoln County

• 
• 
  Burnt Island Light
  active
  NRHP
• 
  Hendricks Head Light
  active
  NRHP
• 
  Manana Island Sound Signal Station
  active
  NRHP
• 
  Monhegan Island Light
  active
  NRHP
• 
  Pemaquid Point Light
  active
  NRHP
• 
  Ram Island Light
  active
  NRHP
• 
  The Cuckolds Light
  active
  NRHP

Sagadahoc County

• 
• 
  Doubling Point Light
  active
  NRHP
• 
  Doubling Point Range Lights
  active
  NRHP
• 
  Fiddler's Reach Fog Signal
  inactive
• 
  Perkins Island Light
  active
  NRHP
• 
  Pond Island Light
  active
• 
  Seguin Light
  active
  NRHP
• 
  Squirrel Point Light
  active
  NRHP

Waldo County

• 
• 
  Fort Point Light
  active
  NRHP
• 
  Grindel Point Light
  active
  NRHP

Washington County

• 
• 
  Avery Rock Light
  destroyed
• 
  Libby Island Light
  active
  NRHP
• 
  Little River Light
  active
  NRHP
• 
  Lubec Channel Light
  active
  NRHP
• 
  Moose Peak Light
  active
• 
  Narraguagus Light
  inactive
  NRHP
• 
  Nash Island Light
  inactive
• 
  Petit Manan Light
  active
  NRHP
• 
  Saint Croix River Light
  destroyed
• 
  West Quoddy Head Light
  active
  NRHP
• 
  Whitlocks Mill Light
  active
  NRHP

York County

• 
• 
  Boon Island Light
  active
  NRHP
• 
  Cape Neddick Light
  active
  NRHP
• 
  Goat Island Light
  active
  NRHP
• 
  Kennebunkport Breakwater Light
  destroyed
• 
  Whaleback Light
  active
  NRHP
• 
  Wood Island Light
  active
  NRHP

Notes and references

• Active -- on the current USCG Light List
• Inactive -- lighthouse exists, but is no longer in use
• Private aid -- lighthouse is on the current USCG Light List, but is not maintained by the Coast Guard (Ladies Delight is inland and not on the Light List)
• Destroyed -- no longer in existence
• NRHP -- listed on the National Register of Historic Places

In addition to the linked articles in WP:EN, Russ Rowlett's Lighthouse Directory archive copy at the Wayback Machine is a useful source.
The Coast Guard Light List is available at http://www.navcen.uscg.gov/?pageName=lightLists
The Coast Guard History of each light is at http://www.uscg.mil/history/weblighthouses/LHME.asp