Pemaquid Point
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 Pemaquid Point Light
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| Location | Pemaquid Point, entrance to Muscongus Bay, Bristol, Maine |
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| Coordinates | 43°50′13.03″N 69°30′21.77″W / 43.8369528°N 69.5060472°WCoordinates: 43°50′13.03″N 69°30′21.77″W / 43.8369528°N 69.5060472°W |
| Year first constructed | 1827 |
| Year first lit | 1857 (current tower) |
| Automated | 1934 |
| Foundation | Natural Emplaced |
| Construction | Rubble stone and concrete |
| Tower shape | conical |
| Markings / pattern | white with black lantern |
| Focal height | 79 feet (24 m) |
| Original lens | Fourth order Fresnel lens |
| Range | 14 nautical miles (26 km; 16 mi) |
| Characteristic | Flashing white 6 s |
| Fog signal | none |
| USCG number |
1-5145 |
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Pemaquid Point Light
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| Area | 0.3 acres (0.12 ha) |
| Built | 1835 |
| NRHP Reference # | 85000843 |
| Added to NRHP | April 16, 1985 |
1-5145
The Pemaquid Point Light is a historic U.S. lighthouse located in Bristol, Lincoln County, Maine, at the tip of the Pemaquid Neck.
The lighthouse was commissioned in 1827 by President John Quincy Adams and built that year. Because of poor workmanship (salt water was used in the mortar mix), the lighthouse began to crumble and was replaced in 1835. The second contract for the construction stipulated that only fresh water be used. Keeper Isaac Dunham oversaw the construction and wrote in a letter to the US Lighthouse Establishment that the agreement was upheld and the work went well.
The original light was an Argand-Lewis parabolic reflector, lit with candles and with a visibility of 2 miles (3.2 km). Augustin Fresnel invented a superior way of focusing light in the early 1850s and most lighthouses in the US were converted to the Fresnel Lens, with Pemaquid Point receiving a fourth order Fresnel in 1856. The lens is one of only six Fresnel lenses still in service in Maine. The keeper's house was built in 1857.
Marcus A. Hanna, the only man ever awarded both the Medal of Honor (earned during Civil War for bravery on July 4, 1863 ) and the Gold Lifesaving Medal (for rescuing life on January 28, 1885 at Cape Elizabeth, once served as keeper of the light. The station was automated in 1934.
By popular vote of Maine residents, the lighthouse was chosen to be featured on the Maine quarter, the 23rd in the 50 State Quarters Program issued by the U.S. Mint. Also depicted is a 3-masted schooner intended to resemble the Victory Chimes. Exposed bedrock descends from the lighthouse to the ocean creating a unique, scenic landscape. The geological history of these formations dates back hundreds of millions of years. These imposing structures have made this lighthouse with its setting one of the most photographed on the Maine coast.
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