Signal Port
Ghost town · Mendocino County, California

Signal Port is a ghost town in Mendocino County, California. It is one of 15 former communities in Mendocino County on the federal names register. That ranks the county 21st among the 58 California counties with a vanished settlement on record.
The U.S. Geological Survey lists Signal Port as a historical populated place on the Gualala topographic quadrangle: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 38.8291° N, 123.6156° W.
Key facts
| USGS quadrangle | Gualala |
|---|---|
| Elevation | 105 ft |
| Nearest living town | Anchor Bay, CA |
| Distance to it | 2.7 miles |
| GNIS feature ID | 1666816 |
| Coordinates | 38.82908, -123.61557 |
What's there now
Signal Port is no longer a community in its own right. The nearest living town is Anchor Bay, CA (population 770), about 2.7 miles away in a straight line, and the site sits at roughly 105 feet above sea level. Much of the land around former townsites is private; check access before you visit.
Nearby places
- Stronettaghost town · Mendocino County · 9.4 mi
- Point Arena Lightlighthouse · Mendocino County · 11 mi
- Crittendonghost town · Mendocino County · 26.1 mi
- Rankinghost town · Mendocino County · 27.6 mi
- Makahmoghost town · Sonoma County · 32.7 mi
- Dunlapghost town · Mendocino County · 36.3 mi
- Coyote Valley Rancheriaghost town · Mendocino County · 36.8 mi
- Point Cabrillo Lightlighthouse · Mendocino County · 37.7 mi
- Hardinghost town · Mendocino County · 39 mi
- Kaci-badonghost town · Lake County · 40.5 mi
- Witter Springsghost town · Lake County · 41.8 mi
- Rowesghost town · Mendocino County · 46.4 mi
Questions
Where is Signal Port?
Signal Port is in Mendocino County, California, at 38.8291, -123.6156.
How many ghost towns are in Mendocino County?
Mendocino County, California has 15 ghost towns on record at Wayfarrow.
- USGS Geographic Names Information System (Domestic Names) — GNIS Domestic Names, feature record (public-domain)
- U.S. Census Bureau TIGER/Line and ACS — Census Gazetteer + ACS 5-year population (public-domain)
Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.