Wood Island Light is an active lighthouse on the eastern edge of Wood Island in Saco Bay, on the southern coast of Maine. The light is just outside the entrance to Biddeford Pool and the end of the Saco River. The lighthouse is a 47-foot (14 m) conical white tower of granite rubble. The light itself sits 71 feet (22 m) above mean high water. Its automated beacon alternates between green and white every 10 seconds.
The Ladies Delight Light is a small lighthouse on Cobbosseecontee Lake, in Winthrop, Maine, United States. It was constructed in 1908 and is believed to be the only active inland waters lighthouse in Maine. The tower is 25 feet (7.6 m) tall, and is equipped with a 100-watt light bulb further intensified by a lens from a ship's anchor light. At the time of its construction, it was the only inland lake lighthouse east of the Mississippi River. It was listed on the National Register of Historic Places in 1984.
Bass Harbor Head Light is a lighthouse located within Acadia National Park in the southwest portion of Mount Desert Island, Maine, marking the entrance to Bass Harbor and Blue Hill Bay.
The Fort Point Light, or Fort Point Light Station, is located in Fort Point State Park, in Stockton Springs, Maine. A lighthouse at this point has served as an active aid to navigation since 1835; the present lighthouse dates to 1857, and is listed on the National Register of Historic Places.
The Burnt Island Light, built in 1821, is the second oldest surviving lighthouse in Maine. It hosts a living history museum run by the state Department of Marine Resources. It was added to the National Register of Historic Places as Burnt Island Light Station on November 23, 1977.
Doubling Point Light is a lighthouse on the Kennebec River in Arrowsic, Maine. It was established in 1898, fifteen years after the founding of the Bath Iron Works, a major shipbuilder, 1.5 miles (2.4 km) upriver. It was part of a major upgrade of the river's lights — the Doubling Point Light and the separate Range Lights on the point, Perkins Island Light, and Squirrel Point Light were all built at the same time. The light was listed on the National Register of Historic Places as Doubling Point Light Station on January 21, 1988. It remains an active aid to navigation.
Browns Head Light is a lighthouse in Vinalhaven, Maine. Established in 1832, it is an active aid to navigation, marking the southern side of the western entrance to the Fox Island Thoroughfare, a busy strait separating Vinalhaven Island from North Haven. The present lighthouse was built in 1857; and was listed on the National Register of Historic Places as "Browns Head Light Station" on January 27, 1983.
The Cuckolds Light, known as the Cuckolds Island Fog Signal and Light Station or just Cuckolds Light Station, is a lighthouse located on the eastern pair of islets known as the "Cuckolds" in Lincoln County, Maine. The islets are southeast and in sight of Cape Island, that is just off the southern tip of Cape Newagen on Southport Island, south of Booth Bay, that leads to Boothbay Harbor, Maine.
Egg Rock Light is a lighthouse on Frenchman Bay, Maine. Built in 1875, it is one of coastal Maine's architecturally unique lighthouses, with a square tower projecting through the square keeper's house. Located on Egg Rock, midway between Mount Desert Island and the Schoodic Peninsula, it is an active aid to navigation, flashing red every 40 seconds. The light was listed on the National Register of Historic Places as Egg Rock Light Station in 1988.
Franklin Island Light is a lighthouse on Franklin Island, in Muscongus Bay, Maine, USA. It was first established in 1805. The present structure was built in 1855.
Grindel Point Light is a lighthouse in Islesboro, Maine, marking the west entrance to Gilkey Harbor at the westernmost point of the eponymous island. The light station was established in 1850, and the present tower and keeper's house were built in 1874. The station was deactivated in 1934 and reactivated in 1987. It was listed on the National Register of Historic Places in 1987. The keeper's house now houses the Grindel Point Sailor's Museum and the lighthouse tower is open for tours in the summer.
Hendricks Head Light is a lighthouse in Southport, Maine marking the west side of the mouth of the Sheepscot River. The light station was established in 1829, and its present structures date to 1875. It was deactivated in 1933, but relit in 1951. The two-story wood keeper's house is now a private summer residence. The light is on continuously, showing white to the west and red to the east. It was listed on the National Register of Historic Places as Hendricks Head Light Station on November 20, 1987.
Libby Island Light is a lighthouse on Libby Island, marking the mouth of Machias Bay, in Machiasport, Maine. The light station was established in 1817 and is an active aid to navigation; the present granite tower was built in 1823 and improved in 1848. Libby Island Light was listed on the National Register of Historic Places as Libby Island Light Station on June 18, 1976.
Little River Light is a lighthouse on an island at the mouth of the Little River, in Cutler, Maine. A light station was first established at this site in 1846, and the present structure was built in 1876. It is one of the only iron lighthouses in the state, and was listed on the National Register of Historic Places as Little River Light Station on March 14, 1988. The light station is now owned by the American Lighthouse Foundation, which offers overnight stays in the keeper's house, and occasional tours of the property.
Perkins Island Light is a lighthouse on the Kennebec River in Maine. It was established in 1898, as part of a major upgrade of the river's lights — the Doubling Point Light and the separate Range Lights on the point, Perkins Island Light, and Squirrel Point Light were all built at the same time. It was listed on the National Register of Historic Places as Perkins Island Light Station in 1988.
Ram Island Light is a lighthouse located just offshore of Ram Island, marking the eastern entrance to Boothbay Harbor, Maine, and the west side of the mouth of the Damariscotta River. It was built in 1883 and automated in 1965. It was listed on the National Register of Historic Places as Ram Island Light Station on January 21, 1988.
Seguin Light is a lighthouse on Seguin Island, in the Gulf of Maine south of the mouth of the Kennebec River, Maine. Established in 1795, it is the second-oldest of Maine's coastal lighthouses, and the only lighthouse in the state housing a first-order Fresnel lens. With its light at 180 feet (55 m) above mean sea-level, the present tower, built in 1857, is its highest of the state's lighthouses. Automated in 1985, the buildings of the light station are now operated as a museum property by a non-profit organization, and are seasonally open to the public via scheduled ferry from Popham Beach in Phippsburg. The light was listed on the National Register of Historic Places as Seguin Island Light Station in 1977.
Squirrel Point Light is a lighthouse marking the southwestern point of Arrowsic Island on the Kennebec River. It was established in 1898, as part of a major upgrade of the river's lights — the Doubling Point Light and the separate Range Lights on the point, Perkins Island Light, and Squirrel Point Light were all built at the same time. The light station was listed on the National Register of Historic Places as Squirrel Point Light Station on January 21, 1988.
Two Bush Island Light is a lighthouse on Two Bush Island, on the channel of the same name, the southwestern entrance to Penobscot Bay, Maine. The two bushes for which the island was named have long since vanished. The lighthouse was established in 1897. The keepers were removed when the light was automated in 1964. Afterward, the Two Bush Island fog signal was operated by the keepers at nearby Whitehead Light Station, who also monitored the light. The keeper's house was destroyed in 1970 as a Green Beret demolition exercise. In the summer of 2000, the light was converted to solar power. The lighthouse itself continues to be a navigation aid, but is only visible by boat or from the air. In 1998, the lighthouse became the property of the U.S. Fish and Wildlife Service.
