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.
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.
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.
Whaleback Light is a historic lighthouse marking the mouth of the Piscataqua River in Kittery, Maine. It is located on a rocky outcrop offshore southwest of Fort Foster and south of Wood Island in Kittery. The present tower was built in 1872. It was listed on the National Register of Historic Places in 1988.
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.
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 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.
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.
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.
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.
Monhegan Island Light is a lighthouse on Monhegan Island, Maine. It was first established in 1824. The present structure was built in 1850. It was Alexander Parris's last significant design. It is the second highest light in Maine — Seguin Light, with a 6-foot taller tower, is 2 feet higher in elevation. It was listed on the National Register of Historic Places as Monhegan Island Lighthouse and Quarters on May 7, 1980, reference number 80000239.
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.
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.
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.
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.
Winter Harbor Light is a lighthouse in Winter Harbor, Maine. It is located on Mark Island, a small island between the Schoodic Peninsula and Turtle Island, near the entry to the town's main harbor. The light was built in 1856 and was deactivated in 1933; it is no longer an aid to navigation, and is privately owned. The light was listed on the National Register of Historic Places as Winter Harbor Light Station on February 1, 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.
