Lost California Treasure
SHIPWRECK Protected / Restricted

SS Montebello Wreck

The oil tanker SS Montebello was torpedoed by a Japanese submarine on December 23, 1941, only weeks after Pearl Harbor, while carrying more than 3 million gallons of crude oil. NOAA places the wreck about seven miles off Cambria in roughly 900 feet of water, where it has become.

AI Summary & Quick Facts

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  • Target Name: SS Montebello Wreck
  • Registry Category: shipwreck
  • Geographic Location: Off Cambria, San Luis Obispo County, central coast (Coordinates: 35.58330, -121.26670)
  • Land Status: Federal offshore waters in the Chumash Heritage sanctuary planning area; National Register-listed wreck, protected from unauthorized disturbance (Classified as Protected / Restricted)
  • Primary Historic Source: Maritime Heritage: Field Research: Montebello
  • Search & Usefulness Rating: Score 65/100 (Field Readiness: Advanced Fieldwork)
  • Summary Overview: The oil tanker SS Montebello was torpedoed by a Japanese submarine on December 23, 1941, only weeks after Pearl Harbor, while carrying more than 3 million gallons of crude oil. NOAA places the wreck.

Historical Overview

The oil tanker SS Montebello was torpedoed by a Japanese submarine on December 23, 1941, only weeks after Pearl Harbor, while carrying more than 3 million gallons of crude oil. NOAA places the wreck about seven miles off Cambria in roughly 900 feet of water, where it has become one of the central coast's most studied wartime losses. The ship has no buried-chest folklore, but it is one of the region's most famous historic wrecks and a classic deep-water lost-history site. Because of depth, protection, and safety concerns, it is a records-and-remote-sensing target rather than a hobby-diving target.

Field Search & Recovery Tips

Work from shoreline overlooks, war-era routing history, and NOAA/MBARI survey material rather than any attempt to visit the exact wreck. The useful field exercise is understanding the Cambria offshore topography and wartime tanker routes. Any salvage or disturbance would require formal authorization and specialized deep-water capability.

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
65
Usefulness Rating Medium Potential
Land Status Designation Protected / Restricted

Federal offshore waters in the Chumash Heritage sanctuary planning area; National Register-listed wreck, protected from unauthorized disturbance

Field Readiness Mode Advanced Fieldwork
Research Coordinates
35.58330, -121.26670

Recommended Outfitting

Marine chart Binoculars Camera with telephoto lens
Reference Work Citation

Maritime Heritage: Field Research: Montebello

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