Leadership
Leadership
Environment
Environment
We conduct our operations in an environmentally sound manner and we strive to minimize the impacts of our operations on land, air, and water.
Safety
Safety
This is accomplished through the implementation of our safety program which outlines policies and procedures regarding health and safety.
Reliable
Reliable
We strive for excellence!
Welcome to Mare Island Dry Dock!
Mare Island is the oldest shipyard facility on the West Coast, located in Vallejo, California – 23 miles northeast of San Francisco. It was established in 1854 as the first United States Naval base on the Pacific Ocean. Mare Island served as a major naval shipbuilding and repair facility for over 140 years. Naval operations cased in 1996 and Mare Island was decommissioned.
Fast forward to November 2013: Mare Island Dry Dock, LLC was formed and the doors reopened for the purposes of vessel repairs, overhauls and dry dockings for both commercial and government vessels.
We Provide
innovative solutions
We serve an impressive list of long-term clients with expertise in multiple crafts, recognized as one of the nations leading shipyards.


Our
Services
We have a long history of service & repair to the maritime industry, both government and commercially-owned vessels.
- Dry Docking
- Ship Repair & Conversions
- Major Overhauls
- Emergency Ship Services
Dry Docks
Concrete graving docks that can accommodate ships under fully loaded conditions.
- Dry Dock 1 (coming soon!)
525 feet long
122 feet wide - Dry Dock 2
720 feet long
98 feet wide - Dry Dock 3
680 feet long
90.5 feet wide
Lay Berthing
Three secure berthing options:
- Berth 12 – 650 feet
Mooring up to 1,000 feet - Berth 13 – 400 feet
Mooring up to 1,000 feet - Berth 14 – 200 feet
Mooring up to 260 feet
Crane Service
- Crane B-1
Certified at 67,000 lbs (33.5 tons) - Crane D-7
Certified at 268,000 lbs (134 tons) - Crane D-3
Certified at 56,000 lbs (28 tons) - Grove 165-ton Rough Terrain
Congressman Garamendi, IAM Union Join Together at Mare Island to Call for Revitalization of U.S. Shipbuilding Industry
VALLEJO, Calif. – Today, U.S. Rep. John Garamendi joined the IAM Union (International Association of Machinists and Aerospace Workers) at a press conference at the Mare Island Dry Dock, where they
Secretary Del Toro Tours Historic West Coast Facility,Explores Ways to Increase Shipyard Capacity in the Pacific
Secretary Del Toro, Rep. John Garamendi & Richard Palmer, MIDD VP of Operations Photos By Chief Petty Officer Shannon Renfroe VALLEJO, CA, UNITED STATES Office of the Secretary of the Navy
Heavy Icebreaker Polar Star Returns to U.S. After 147-Day Antarctic Deployment
From: SeapowerMagazine.org ALAMEDA, Calif. — The 140-member crew of U.S. Coast Guard Cutter Polar Star (WAGB 10) returned to the United States and entered dry dock Friday after completing a