Lost California Treasure
SHIPWRECK Protected / Restricted

Wreck of the San Agustin

In November 1595, the Spanish galleon San Agustin, commanded by Sebastian Rodriguez Cermeno and laden with a valuable cargo of Chinese silks, spices, and Ming Dynasty porcelain, was sailing from Manila to Acapulco when it was caught in a violent storm. The gale drove the ship.

AI Summary & Quick Facts

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  • Target Name: Wreck of the San Agustin
  • Registry Category: shipwreck
  • Geographic Location: Marin County, submerged within Drakes Bay along the Point Reyes National Seashore. (Coordinates: 38.03000, -122.93000)
  • Land Status: National Park Service / Greater Farallones National Marine Sanctuary (Strictly Prohibited) (Classified as Protected / Restricted)
  • Primary Historic Source: National Park Service Maritime History - Shipwrecks at Point Reyes
  • Search & Usefulness Rating: Score 55/100 (Field Readiness: Advanced Fieldwork)
  • Summary Overview: In November 1595, the Spanish galleon San Agustin, commanded by Sebastian Rodriguez Cermeno and laden with a valuable cargo of Chinese silks, spices, and Ming Dynasty porcelain, was sailing from.

Historical Overview

In November 1595, the Spanish galleon San Agustin, commanded by Sebastian Rodriguez Cermeno and laden with a valuable cargo of Chinese silks, spices, and Ming Dynasty porcelain, was sailing from Manila to Acapulco when it was caught in a violent storm. The gale drove the ship onto the beaches of Point Reyes, shattering the vessel and scattering its precious cargo across the sandy floor of Drakes Bay. This disaster represents the earliest recorded shipwreck on the West Coast of the United States. While local Coast Miwok Indians salvaged some of the porcelain and traded it inland, a substantial portion of the ship's structural remains and cargo lies buried beneath the bay's thick marine sediment.

Field Search & Recovery Tips

The wreck site is situated inside the protected boundaries of the Point Reyes National Seashore and the Greater Farallones National Marine Sanctuary. Any form of salvage, metal detecting, or disturbance of submerged cultural resources is strictly illegal under federal law. Research should be limited to surface-level shoreline observations of wash-up material or academic archival studies.

Field Action Checklist

1
Treat this as specialized maritime or technical fieldwork and verify vessel traffic, weather, and dive limits before travel.
2
Use non-invasive documentation only unless a permit or lease explicitly authorizes more.
3
Prepare emergency communication, tide/current checks, and a shore contact plan.
4
Check tides, swell, marine protected areas, and vessel traffic before any shoreline or water visit.

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Research Dossier
55
Usefulness Rating Medium Potential
Land Status Designation Protected / Restricted

National Park Service / Greater Farallones National Marine Sanctuary (Strictly Prohibited)

Field Readiness Mode Advanced Fieldwork
Research Coordinates
38.03000, -122.93000

Recommended Outfitting

High-power binoculars Polarized sunglasses Historical maritime charts
Reference Work Citation

National Park Service Maritime History - Shipwrecks at Point Reyes

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