2431 Mariner Square Dr
Alameda, CA 94501
153 beds • Est. 2006 (20 years) • Get directions
Cardinal Point at Mariner Square has 1 minor state citation and 0 verified complaints across 10 inspections since 2022. Annual and infection control inspections documented compliant food supplies, locked medications, functioning smoke and carbon monoxide detectors, and hot water temperatures within regulated range. All 3 complaints filed during this period were investigated and found unsubstantiated. The most detailed, from 2023, involved a resident found with a forehead bump and orbital bruise after a caregiver briefly left the room; both Alameda Police Department and state investigators reviewed the incident and found it unsubstantiated. As a follow-up measure, staff began placing pillows between residents and bedrails. The most recent annual inspection in February 2026 cited no deficiencies, with 95 of 153 beds occupied at the time of the visit.
Cardinal Point at Mariner Square is a 153-bed assisted living community on the island city of Alameda in the San Francisco Bay. The waterfront setting is genuinely distinctive among California senior living options, and the community backs it up with one of the strongest safety records in the state.
Exceptional safety record
Cardinal Point holds an FYI Safety Score of 9.8 out of 9.9, one of the highest scores in California. At 153 beds, maintaining this level of compliance is remarkable.
Waterfront island setting
Alameda is an island city in the Bay with a small-town feel, walkable neighborhoods, and waterfront views that most senior communities simply can't match.
Large community with full resources
At 153 beds, Cardinal Point has the scale for diverse programming, specialized care staff, and comprehensive on-site amenities.
Bay Area accessibility
Alameda is centrally located in the East Bay with bridge access to San Francisco, Oakland, and the broader Bay Area, making family visits convenient.
Premium pricing
The combination of a waterfront Bay Area location and a large, well-run community puts Cardinal Point at the higher end of the market. Families should plan accordingly.
Pricing is estimated, please contact the facility to confirm.
2431 Mariner Square Dr, Alameda, CA 94501
Get directionsLicense data from the California Department of Social Services, Community Care Licensing Division. View full state record
Claim your listing to verify pricing, add real photos, and respond to your FYI Safety Score™.
Claim this listing$3,200/mo
starting