Our Facility

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 projects

Dry 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

The health and safety of our customers, employees and their families
as well as vendors is our highest priority. We remain
hyper vigilant in keeping everyone informed of any
developments and will continue to adopt and
implement new requirements and improved
safety measures in response to the COVID19
virus as necessary.
Please click here for additional information
Also see: MIDD COVID-19 Screening Process for all personnel (PDF)