Seal Islands
Seal Islands are a pair of islands in Suisun Bay at the mouth of the Sacramento-San Joaquin River Delta in Contra Costa County, California, 10 km east of Benicia, and 500 metres off-shore from the former Concord Naval Weapons Station and Port Chicago Naval Magazine.Places of Interest
Highlights include Port Chicago Naval Magazine National Memorial and Roe Island.
Port Chicago Naval Magazine National Memorial
Park
The Port Chicago Naval Magazine National Memorial is a memorial dedicated in 1994 recognizing the dead of the Port Chicago disaster, and the critical role played by Port Chicago, California during World War II, in serving as the main facility for the Pacific Theater of Operations.
Roe Island
Island
Places in the Area
Nearby places include Avon and Clyde.
Avon
Hamlet
The Marathon Martinez Renewable Fuels Facility is located in the San Francisco Bay Area in an unincorporated area known as Avon, East of Martinez, California.
Clyde
Village
Clyde is a census-designated place in Contra Costa County, California, United States. The population was 729 at the 2020 census. It is located six miles east of Martinez.
Nichols
Hamlet
Seal Islands
- Type: Island
- Description: islands in Suisun Bay in Contra Costa County, California, United States
- Categories: island group, locality, and landform
- Location: Contra Costa, California, United States, North America
- View on OpenStreetMap
Latitude
38.05548° or 38° 3′ 20″ north
Longitude
-122.04719° or 122° 2′ 50″ west
Elevation
3 feet (1 metre)
Open location code
84CV3X43+54
OpenStreetMap ID
OpenStreetMap feature
place=island
This page is based on OpenStreetMap, GeoNames, Wikidata, Wikimedia Commons, and Wikipedia.
We’d love your help improving our open data sources. Thank you for contributing.
Satellite Map
Discover Seal Islands from above in high-definition satellite imagery.
In Other Languages
“Seal Islands” goes by many names.
- Cebuano: “Seal Islands”
Places with the Same Name
Discover other places named “Seal Islands”.
Localities in the Area
Explore places such as Monsanto and Maltby.
Notable Places Nearby
Highlights include Marie Porter Park and Big Oak Tree Park.
California: Must-Visit Destinations
Delve into San Francisco, Los Angeles, San Diego, and Sacramento.
Curious Places to Discover
Uncover intriguing places from every corner of the globe.