Two crane barges working offshore
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Dredging & Marine Civil

Mechanical dredging, sediment removal, erosion control, underwater pipelines and subsea cable burial — including a $15.3M Navy dredging award in 2026.

Seaward Marine Corporation is a mechanical dredging and marine civil contractor in Hampton Roads, Virginia. We perform maintenance and new-work dredging, sediment removal, shoreline and erosion control, underwater pipeline installation and subsea utility cable location and burial for the Navy, USACE and utilities.

Mechanical Dredging

Clamshell and bucket dredging for channels, berths and basins.

Excavator-Mounted Dredging

Long-reach excavators on barges for tight and shallow work areas.

Sediment Removal

Maintenance dredging and debris removal with barge disposal.

Erosion Control

Armor stone, revetments and living-shoreline placement.

Pipelines & Cable

Underwater pipeline installation and subsea utility cable lay and burial.

Locate & Survey Support

Cable and utility location with dive verification.

Clamshell bucket lifting from a crane barge
Equipment & Methods

Mechanical dredging spreads

Self-performed with Seaward-owned equipment and crews, so mobilization, schedule and quality stay under one contract.

  • Crane barges with clamshell buckets
  • Barge-mounted long-reach excavators
  • Scows and material barges for disposal
  • Tugs for scow transport
  • Stone barges for armor placement
  • Dive teams for cable and pipe verification
FAQ

Common questions

Need something not listed? Call (757) 558-3939 or send plans and specs through our RFQ form.

What dredging methods do you use?

Mechanical dredging with clamshell buckets and barge-mounted excavators, with disposal by scow.

What recent dredging contracts has Seaward won?

A $15.3M Navy dredging contract at JEB Little Creek–Fort Story (Oct 2026) and USACE Delaware River maintenance dredging from Philadelphia to Trenton.

Do you install subsea cable?

Yes. We locate, lay and bury subsea utility cable and install underwater pipelines, including work in Groton, CT and Boston Harbor.

24/7 Emergency Response

Salvage, damage assessment and emergency repairs — a crew is on call around the clock.

(757) 558-3939