Wreck Alleyoff Mission Beach, San Diego, CA

Visibility is an estimate — wind, rain, tide & water alerts.

Getting in

Boat access only

Depth

20 to 100 ft

Who it suits

Experienced water people only

Snorkeling

Not a shore snorkel; reached by boat

Best conditions

Diveable all year, with the clearest water in late fall and winter. Charters report visibility of roughly 10 to 50 ft depending on the day.

Getting through the gate

Reached only by dive charter or private boat, about 15 minutes out from the Mission Bay entrance channel; there is no shore approach.

Watch for

The HMCS Yukon lies on her port side, which leaves her interior disorienting; charters require a penetration or wreck specialty certification before divers go inside the hull, The Yukon and Ruby E both call for an Advanced Open Water rating on most charters' tables, and so does the El Rey. The NOSC Tower and the old Ingraham Street bridge rubble are the features rated Open Water, Cold water on the bottom, 50 to 58 F by charter accounts; a 7mm wetsuit or drysuit is standard here, The Yukon's bridge section collapsed into the sand in 2021, and charters report new entanglement hazards on the wreck since

Checked 2026-08-26. Sources: Waterhorse Charters, Wreck Alley, Waterhorse Charters, San Diego dive sites, Marissa Charters, San Diego dive sites, Scuba San Diego, Wreck Alley.