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Coronado Islands, Mexico - Keyhole is a boat accessible salt water dive site, located in San Diego, CA 92109. This dive site has an average rating of 3.00 out of 5 from 1 scuba divers. The maximum depth is 51-60ft/16-18m. The average visibility is 51-60ft/16-18m. This dive site provides bathrooms and airfills.

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DivingWeasel - 4/11/2022 1:11 PM
I went scuba diving here on 4/8/2022. Average viz: 36-40ft/11-12m. Water temp: 61-65°F/16-18°C.
Keyhole slot with waves breaking through. Exploring the keyhole not for everyone due to tremendous surge action. Nice dive down the coastline though. Kelp.