Spring Point Ledge Light is a sparkplug lighthouse in South Portland, Maine, that marks a dangerous obstruction on the west side of the main shipping channel into Portland Harbor. It is now adjacent to the campus of Southern Maine Community College.
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.
Greens Ledge Light is a historic lighthouse in the western Long Island Sound near Norwalk, Connecticut and Darien, Connecticut. It is one of 33 sparkplug lighthouses still in existence in the United States and remains an active aid to navigation. It sits in ten feet of water on the west end of Greens Ledge, a shallow underwater reef that runs a mile west of Sheffield Island and is roughly a mile south of the entrance to Five Mile River at Rowayton. Completed in 1902 by the Philadelphia Construction Company, the cast-iron structure is approximately 90 feet tall including roughly 15 feet of the submerged caisson. In 1933, more than 30,000 tons of rocks from the excavation of Radio City Music Hall were added to the riprap foundation. The light was added to the National Register of Historic Places as Greens Ledge Lighthouse on May 29, 1990.
Southwest Ledge Light is an active lighthouse marking the main entrance channel to the harbor of New Haven, Connecticut. Completed in 1877, it was one of the first to be built on a cylindrical iron foundation, an innovation by Maj. George H. Elliot to address shifting ice that is regarded to be very important in lighthouse design. The lighthouse was listed on the National Register of Historic Places in 1990 as Southwest Ledge Lighthouse.
Goose Rocks Light is a sparkplug lighthouse located near North Haven, Maine in Penobscot Bay. It stands at the eastern entrance to the Fox Islands Thoroughfare, a busy mile-wide passage separating North Haven from Vinalhaven. Built in 1890, it was added to the National Register of Historic Places as Goose Rocks Light Station on January 21, 1988. The structure is now privately owned by a preservation group, and remains an active aid to navigation.
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.
Bird Island Light is a historic lighthouse at the entrance to Sippican Harbor in Marion, Massachusetts. Built in 1819, its tower is a well-preserved example of an early 19th-century masonry lighthouse. The tower and the island on which it stands were added to the National Register of Historic Places as Bird Island Light on September 28, 1987.
Latimer Reef Light is a sparkplug lighthouse on Latimer's Reef in Fishers Island Sound. The lighthouse is located one mile northwest of East Point on Fisher's Island, Suffolk County, New York. Originally called Latemore's Reef after James Latemore.
The Whitlocks Mill Light is a lighthouse on the south bank of the St. Croix River in Calais, Maine. It is the northernmost lighthouse in the state of Maine, and was the last light to be built in the state.
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.
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.
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.
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.
Saddleback Ledge Light is a lighthouse on Saddleback Ledge, an islet lying between Isle au Haut and Vinalhaven, Maine, in the middle of the southeastern entrance to Penobscot Bay. The station was established and the current structure, designed by Alexander Parris, was built in 1839. One of Maine's oldest lighthouses, it was listed on the National Register of Historic Places as Saddleback Ledge Light Station on March 14, 1988.
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.
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.
