West Quoddy Head, in Quoddy Head State Park, Lubec, Maine, is the easternmost point of the contiguous United States. In 1808 a lighthouse was constructed at the site to guide ships through the Quoddy Narrows. The current tower, with distinctive red-and-white stripes, was constructed in 1858 and is an active aid to navigation. The 3rd order Fresnel lens is the only 3rd order and one of only eight Fresnel lenses still in use on the Maine Coast.
Butler Flats Light is a sparkplug lighthouse located in the outer harbor of New Bedford, Massachusetts, at the mouth of the Acushnet River. Built in 1898 by the United States Lighthouse Board, it is the only known caisson lighthouse designed by a marine architect. The light was added to the National Register of Historic Places as Butler Flats Light Station on June 15, 1987. Automated in 1978, it is now operated by the city as a private aid to navigation.
Goat Island Light is a lighthouse located off Cape Porpoise near Kennebunkport in southern Maine. Goat Island Light was established in 1835 to guard the entrance to Cape Porpoise Harbor. The original station was upgraded in 1859 to the current brick tower with a fifth order Fresnel lens. Keeper's quarters were added to the island in 1860. The light station was automated by the United States Coast Guard in 1990 and is currently active. The keepers dwellings and tower are leased to the Kennebunkport Conservation Trust. Goat Island Light can be seen from shore in Cape Porpoise Harbor just off State Route 9 north of Kennebunkport or is viewable by boat. The island is currently closed to the public except by special arrangement.
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.
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.
Bear Island Light is a lighthouse on Bear Island near Mt. Desert Island, at the entrance to Northeast Harbor, Maine. It was first established in 1839. The present structure was built in 1889. It was deactivated in 1981 and relit as a private aid to navigation by the Friends of Acadia National Park in 1989. Bear Island Light was listed on the National Register of Historic Places as Bear Island Light Station on March 14, 1988.
The Burnt Coat Harbor Light Station is a lighthouse on Swan's Island, Maine. It is located on Hockamock Head, at the entrance to Burnt Coat Harbor and at the end of Harbor Road. Hockamock Head is a peninsula extending south from the center of the island, dividing the island's main harbor from Toothacker Bay. The light marks the entrance to Burnt Coat Harbor. It was built in 1872, and is a well-preserved 19th-century light station. It was listed on the National Register of Historic Places in 1988.
The Manana Island Sound Signal Station is an active fog signal station on Manana Island, Maine, United States. Established in 1855, it is one of the only separately managed fog signals in the United States, having been operationally independent of Monhegan Island Light for most of its existence. It is also home to the only known fog signal trumpet tower, built in 1889. The station was listed on the National Register of Historic Places as Manana Island Fog Signal Station in 2002.
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.
Great Duck Island Light is a lighthouse on Great Duck Island in the town of Frenchboro, Maine, USA. Established in 1890, the light marks the approach to Blue Hill Bay and the southern approaches to Mount Desert Island on the central coast of Maine. The light was listed on the National Register of Historic Places as Great Duck Island Light Station on March 14, 1988. The light is an active aid to navigation maintained by the United States Coast Guard; the property is owned by the College of the Atlantic, which operates a research station there.
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.
Heron Neck Light is a lighthouse on Green's Island in Vinalhaven, Maine at the south end of Penobscot Bay. It was established in 1854 as an aid to navigation for Vinalhaven's main port, and for the Hurricane Channel extending northwest from Heron's Neck. The light was automated in 1984. It was listed on the National Register of Historic Places as Heron Neck Light Station on January 21, 1988.
Indian Island Light is a lighthouse on Indian Island on the eastern side of the entrance to Rockport Harbor, Maine. It was first established in 1850. The present structure was built in 1875. It was deactivated in 1934 and is now a private residence. It was listed on the National Register of Historic Places as Indian Island Light Station on March 23, 1988.
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.
Narraguagus Light is a lighthouse on Pond Island at the southern extent of Narraguagus Bay in Downeast Maine. It was built as an aid to navigation for the bay, and the port of Milbridge, then an important deep-water shipbuilding port. It was deactivated in 1934, and is now privately owned. It was listed on the National Register of Historic Places as "Narraguagus Light Station" on November 20, 1987.
Petit Manan Light is a lighthouse on Petit Manan Island, Maine. The island is at the end of a series of ledges extending out from Petit Manan Point, between Dyer Bay and Pigeon Hill Bay, that projects into the Gulf of Maine.
Prospect Harbor Point Light is a lighthouse on Prospect Harbor Point, which divides Sand Cove from Inner Harbor at the head of Prospect Harbor on the southern shore of Gouldsboro, Maine. Also known as Prospect Harbor Light, it was first established in 1850. The present structure was built in 1891. It was listed on the National Register of Historic Places as Prospect Harbor 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.
Baker Island Light is a lighthouse on Baker Island, Maine, which is part of Acadia National Park. The light station was established in 1828 as a guide to the southern entrance to Frenchman Bay. The present tower was built in 1855; the well-preserved tower, keeper's house, and associated outbuildings were listed on the National Register of Historic Places in 1988.
