Sea Colony Foster City Homes and Neighborhood Guide
Also known as Neighborhood 7,Islands (street name theme)
Foster City neighborhood guide
Sea Colony is Foster City's Neighborhood 7, at the city's southern edge near Belmont Slough. The streets are named for islands, such as Pitcairn Drive, Trinidad Lane, Anacapa Lane, Santa Catalina Lane and Baffin Street.
It is known for larger family homes, many on Central Lake or near the Belmont Slough wetlands.
Sea Cloud Park, home to Foster City Little League, is the neighborhood's big gathering place, and the Bay Trail runs right along the edge.
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Sea Colony is shaded. Borders follow MLSListings area lines. Zoom in for street detail, or see the Foster City map for the full picture.
At a glance
- Neighborhood 7 in Foster City's master plan
- Streets named for islands
- Mostly built in the 1970s and 1980s
- Larger single family homes and townhomes
- Next to Sea Cloud Park and the Belmont Slough Bay Trail
Homes and Streets
Sea Colony is mainly single family homes and townhomes built in the 1970s and 1980s, spread across several subdivisions such as Pitcairn and Alden Park. Many are on the larger side for Foster City, with up to five bedrooms.
Waterfront homes on Central Lake and homes near the Belmont Slough wetlands are part of the draw.
See current homes for sale in Foster City →
History on Film: Sea Colony
A look back at the history of Sea Colony and the places nearby, from local historical societies and archives.
Foster City, Chapter 2: Land
Dredging and filling the land Foster City sits on.Source: City of Foster City
Foster City, Chapter 6: Recreation
Lagoons, parks and the city's waterfront life.Source: City of Foster City
Parks and Open Space
Public Schools Nearby
School assignments vary by address and can change, so confirm with the San Mateo-Foster City School District and SMUHSD before you buy.
Nearby Neighborhoods
Sea Colony FAQ
Why are the streets named after islands?
Each of Foster City's original nine neighborhoods has a street name theme, and Sea Colony, Neighborhood 7, uses islands.
What is Sea Cloud Park known for?
It is Foster City's largest park, with ballfields used by Foster City Little League and an access point to the Bay Trail.
What kinds of homes are in Sea Colony?
Mostly single family homes and townhomes from the 1970s and 1980s, many of them larger family homes.
Are there waterfront homes?
Yes. Many homes sit on Central Lake or near the Belmont Slough wetlands.
How can I find homes for sale in Sea Colony?
Browse current listings in Foster City on Joseph Suarez's site, or join his off-market list to hear about homes before they are listed publicly. Thinking of selling? Request a free home valuation for a local estimate based on recent nearby sales.
Thinking about Sea Colony?
Whether you are buying or selling, Joseph Suarez can walk you through recent sales, street by street pricing and what is coming up before it hits the market.
See homes for saleWhat is my home worth?Get off-market listingsContact Joseph← Back to the Foster City neighborhood guide or browse all Peninsula neighborhoods
Updated November 2026 by Joseph Suarez, Realtor with Coldwell Banker in Burlingame, DRE 02085594.
Sources: City of Foster City General Plan: Community Profile (Table 1-3 neighborhoods and street themes), Homes.com: Sea Colony neighborhood guide, Juliana Lee Team: Foster City Parks, City of Foster City: Park Amenities Map, City of Foster City: Schools. Information is believed accurate but not guaranteed.