Mare Island Dry Dock, LLC operates on an 18+ acre site of land.
The site, located on Mare Island, is the home of both Dry Dock #2 and Dry Dock #3.
Both are active concrete graving docks with the largest capacity being a length of 720 feet.
Both Dry Docks can accommodate ships under fully loaded conditions. Mare Island Dry Dock, LLC. has a secure berthing of up to 1,300 linear feet.
recent projectsDry Dock 2
The first dry dock located on the shipyard is Dry Dock #2.
- 720 feet long
- 98 feet wide
Dry Dock 3
- 680 feet long
- 90.5 feet wide
Cranes
- 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
(image below)
Berthing
Three secure berthing options
- Berth 12 - 650 feet
Mooring up to 950 feet - Berth 13 - 400 feet
Mooring up to 660 feet - Berth 14 - 200 feet
Mooring up to 260 feet

165-Ton RT Crane
Services list
- Dry Docking
- Ship Repair & Conversions
- Major Overhauls
- Emergency Ship Services
- Valve Repairs & Renewals
- Machinery Repairs & Installation
- Turbine Overhauls & Repairs
- Reduction Gear Repairs
- Structural Steel Renewal
- Steel & Aluminum Fabrication
- Vessel Berthing for Repair and Retrofit
Customers
- Cruise Ships
- Coastal Tankers and Barges
- Ferries and General Transportation
- Military Sealift Command
- US Coast Guard
- US Navy
- Commercial Freighters and Bulk Carriers