Portsmouth Dive Services LLC, a New Hampshire based company, provides dive and charter services in the Piscataqua River, Dover NH and Portsmouth Harbor area.

With over 20 years of experience on the water, Portsmouth Dive Services LLC has the expertise to help our customers make informed decisions. Our staff of trained professionals includes a USCG licensed captain.

We offer a full range of dive services including,


  • Mooring installation, service, and winterization
  • Large and small item recovery
  • Salvage
  • Zinc replacements
  • Underwater hull and prop inspections.
  • In Water hull scrubbing
  • Underwater video / photo surveys