Oxnard, CA
Seabridge & Westport at Mandalay Bay
Seabridge and Westport at Mandalay Bay are two separate, adjacent boating communities in the City of Oxnard, homes sitting directly on private and semi-private waterways connecting to Channel Islands Harbor, with finger-pier boat slips behind waterfront lots. Seabridge sits on the eastern side, roughly 135 acres; Westport takes the western roughly 58 acres. Buyers should know Seabridge's original permit caps private-use docks at half the total, the other half must stay open to the public, with a parallel walkway running along the seawall, so this isn't a fully closed private marina even for waterfront owners. Both communities carry Mello-Roos taxes on top of property tax, financed through paired City of Oxnard special tax districts, one funding infrastructure bonds and one funding ongoing waterway, park, and dredging maintenance. At the Seabridge entrance, The Marketplace at Seabridge, anchored by a Vons supermarket, was built by D.R. Horton in 2006. Both developments sit across the two halves of the Mandalay Bay Phase IV Specific Plan area, with Westport's own environmental review certified by the city in February 2000.
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What defines it
- Two separate, adjacent City of Oxnard boating communities (Seabridge, roughly 135 acres; Westport, roughly 58 acres) on the two halves of the Mandalay Bay Phase IV Specific Plan area
- Homes back onto private and semi-private waterways connecting to Channel Islands Harbor, with finger-pier boat slips
- Seabridge's original coastal permit caps private-use docks at 50%; the other half stays open to the public, alongside a walkway along the seawall
- Both communities carry paired City of Oxnard special tax districts, one for infrastructure bonds and one for ongoing waterway and dredging maintenance
- The Marketplace at Seabridge, anchored by a Vons supermarket, was built by D.R. Horton in 2006 at the community's entrance
The Housing Stock
Seabridge and Westport are dock-home, waterway-oriented products layered with ongoing special-tax-district assessments rather than a standard single-family tract, a different ownership structure than the individual-lot beach neighborhoods elsewhere in Oxnard.
Frequently asked
Are Seabridge and Westport the same neighborhood?
No. They're two separate, adjacent developments occupying the two halves of the Mandalay Bay Phase IV Specific Plan area, Seabridge on roughly 135 acres to the east, developed by OLY Mandalay Bay General Partnership, and Westport on roughly 58 acres to the west, developed by SunCal Companies under an environmental review certified in February 2000. Each carries its own homeowners association and special tax district.
Are Seabridge and Westport gated communities?
That's widely assumed, but it isn't independently confirmed. Neither community's own governing documents state a vehicular guard gate exists; Seabridge's posted association rules discuss dock, pool, and clubhouse access but make no gate claim. Confirm access arrangements directly with the relevant association rather than assume gated status.
Can I get a private boat dock?
Many waterfront homes have direct-access private slips, but Seabridge's original coastal development permit caps private-use docks at 50 percent of the total; the other half must remain open to the public, along with a walkway along the seawall. Even minor dock modifications require a separate state coastal permit, not just association sign-off.
What special tax districts come with a home here?
Both communities carry two City of Oxnard Community Facilities Districts each, one bonded district funding original infrastructure and one perpetual district funding ongoing police, waterway, and dredging maintenance. These are real, ongoing Mello-Roos assessments layered on top of property tax; exact per-unit rates vary by home size and waterfront status and should be confirmed for any specific address.
Is there shopping within the community?
Yes. The Marketplace at Seabridge sits at the community's entrance on South Victoria Avenue, anchored by a Vons supermarket. It was developed by D.R. Horton and opened in 2006, giving Seabridge residents a grocery-anchored shopping center within walking distance of the marina.
What school serves Seabridge and Westport?
Marina West Elementary, grades K-5 and part of the Oxnard School District, sits roughly two miles from the Seabridge entrance. GreatSchools has it at 6 out of 10, current as of July 2026, though that rating doesn't guarantee attendance. Boundaries here are address-specific, so check directly with Oxnard School District before assuming this campus applies to a given home.
