Casco Bay is an inlet of the Gulf of Maine on the southern coast of Maine, New England, United States. Its easternmost approach is Cape Small and its westernmost approach is Two Lights in Cape Elizabeth. The city of Portland sits along its southern edge and the Port of Portland lies within.
Portland Head Light is a historic lighthouse in Cape Elizabeth, Maine. The light station sits on a head of land at the entrance of the primary shipping channel into Portland Harbor, which is within Casco Bay in the Gulf of Maine. Completed in 1791, it is the oldest lighthouse in Maine. The light station is automated, and the tower, beacon, and foghorn are maintained by the United States Coast Guard, while the former lighthouse keepers' house is a maritime museum within Fort Williams Park.
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.
Cape Elizabeth Light is a lighthouse in Cape Elizabeth, at the southwestern entrance to Casco Bay in Maine.
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.
Halfway Rock Lighthouse is a lighthouse located on a barren ledge in Casco Bay, Maine. The lighthouse tower, which has a height of 76 feet (23 m), and the attached ex-boathouse are all that remains, as the other buildings have been taken away in storms. The name "Halfway Rock" comes from the position of the rock which is halfway between Cape Elizabeth and Cape Small, the southwest and northeast extremities of Casco Bay, which are about 18 nautical miles (33 km) apart.
The Portland Breakwater Light is a small lighthouse in South Portland, Maine.
Fort Gorges is a former United States military fort built on Hog Island Ledge in Casco Bay, Maine, United States. Built from 1858 to 1864, no battles were fought there and no troops were stationed there. Advancing military technology, including iron clad ships and long range guns, rendered the fort obsolete before it could be used. The fort is now a park, accessible only by boat. It was added to the National Register of Historic Places in 1973.
The Graves Light is a lighthouse located on The Graves, the outermost island of the Boston Harbor Islands National Recreation Area, and 9 miles (14 km) offshore of downtown Boston, Massachusetts, USA.
Greens Ledge Lighthouse is a historic offshore 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.
Peck Ledge Light, also known as "Peck Ledge Lighthouse", is a sparkplug lighthouse in Norwalk, Connecticut, United States, southeast of Norwalk Harbor and northeast of Goose Island among the Norwalk Islands on Long Island Sound. The lighthouse is about two miles (3 km) from Calf Pasture Beach in Norwalk and can be seen from the beach.
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.
Cleveland East Ledge Light is a historic lighthouse in Falmouth, Massachusetts. It sits on a man-made island in shallow water on the eastern of the two halves of Cleveland Ledge, which is said to have been named for President Grover Cleveland because he owned the nearby Gray Gables estate and used to fish in the area. It marks the east side of the beginning of the dredged channel leading to the Cape Cod Canal and is the first fixed mark when going northbound through the canal. As it is an important mark in an area subject to fog, it has a racon showing the letter "C".
The Miah Maull Shoal Light is a lighthouse on the north side of the ship channel in Delaware Bay, off of Cumberland County, New Jersey on the East Coast of the United States, southwest of the mouth of the Maurice River.
West Bank Light, officially West Bank Front Range Light, is a lighthouse in Lower New York Bay, within New York City, and acts as the front range light for the Ambrose Channel. It is currently active and not open to the public. The tower was built in 1901 and heightened in 1908. Staten Island Light serves as the rearrange.
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, United States. 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.
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.
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.
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.
Ram Island Ledge Light
The Ram Island Ledge Light is visible from the Portland Head Light
