 Duxbury Pier lighthouse in Plymouth Harbor | |
 | |
| Location | Plymouth Harbor, Plymouth, Massachusetts |
|---|---|
| Coordinates | 41°59′14.73″N 70°38′54.77″W / 41.9874250°N 70.6485472°W |
| Tower | |
| Foundation | Caisson |
| Construction | Cast iron |
| Automated | 1964 |
| Height | 14 m (46 ft)  |
| Shape | conical "Spark Plug" |
| Markings | white with brown base |
| Heritage | National Register of Historic Places listed place |
| Light | |
| First lit | 1871 |
| Focal height | 35 feet (11 m) |
| Lens | Fourth order Fresnel lens |
| Range | 6 nautical miles (11 km; 6.9 mi) |
| Characteristic | Flashing red twice every 5s, Higher intensity beam seaward. HORN: 1 blast ev 15s (2s bl). |
| MPS | Lighthouses of Massachusetts TR |
| NRHP reference No. | 14000287[1] |
| Added to NRHP | June 4, 2014 |
Duxbury Pier lighthouse also called Duxbury Light (nicknamed the "Bug Light") is a lighthouse located in Plymouth Harbor, Massachusetts. Duxbury Pier Light was built in 1871 on the north side of the main channel in Plymouth Harbor to mark the dangerous shoal off Saquish Head. The unusual coffeepot-shaped lighthouse is locally known as "Bug Light" or simply "The Bug." It was the first so-called sparkplug lighthouse in the United States. Application was made to list the lighthouse on the National Register of Historic Places in 2014.