Plymouth Light
Duxbury, MA · Active aid to navigation
No access information published
Those records publish navigation and historic data only — no visitor-access information — so none is shown. Access, if any, is set by the owner or operator.
Access source: Federal records checked: the U.S. Coast Guard AtoN / Light List record for this aid and its National Register of Historic Places record · Checked 2026-11-12
Owner / operator: U.S. Coast Guard (active aid to navigation)
The light
| Location | Duxbury, MA (Plymouth County) |
|---|---|
| Status | Active aid to navigation (USCG AtoN file) |
| Light List number | 12545 |
| Light characteristic | Fl (3)W 30s |
| Height of light above water | 102 ft (USCG AtoN) |
| Structure | White, octagonal, pyramidal tower, white dwelling |
| National Register of Historic Places | Listed 3/8/1977 · Reference #77000655 |
| Position | 42.00373, -70.60061 (federal record; not for navigation) |
| Coast Guard remark | Red from 323° to 352°, covers Mary Ann Rocks. Emergency light of reduced intensity when main light is extinguished. HORN: 2 blasts ev 15s (3s bl). MRASS-Fog signal is radio activated, during times of reduced visibility, turn marine VHF-FM radio to channel 83A/157.175Mhz. Key microphone 5 times consecutively, to activate fog signal for 45 minutes. |
Sources
USCG AtoN file via NOAA MarineCadastre (USCG NAVCEN data); NPS National Register of Historic Places listed-properties database (nps.gov).