Marine Mooring & Dock Engineering

Holding fast where the water never sits still.

SubOo Mooring designs, installs, and maintains mooring systems, pilings, and dock structures for marinas, ports, and private waterfronts up and down the coast.

412Moorings Installed
27Years Below Deck
18Marinas Serviced
24/7Storm Response
What We Do

Built for tide, current, and time.

01

Mooring Systems

Helical and deadweight moorings engineered to seabed conditions and vessel class.

02

Piling & Dolphins

Driven and vibrated piling for docks, fenders, and berthing structures.

03

Diver Inspection

Underwater inspection and chain wear surveys with full photo reporting.

04

Storm Recovery

Rapid response mooring repair and vessel recovery after severe weather.

Fleet & Crew

A working barge, a dive team, and no shortcuts.

Every job is led by a licensed marine engineer and supported by commercial divers rated for zero-visibility harbor work.

  • 40-ft spud barge with crane and pile driver
  • Commercial diving team, ADCI certified
  • In-house chain, shackle & anchor fabrication
  • Bonded, insured, and USACE permit-ready

Field Note

"They re-set our entire marina's mooring field in nine days, mid-season, without pulling a single boat out of rotation."

— Harbor Master, Cedar Point Marina