MARINE FENDERS INTERNATIONAL’S OCEAN GUARD™ Oceanographic Buoys (OB) are designed to provide outstanding performance in the toughest environments. These buoys are engineered for low maintenance dependable service. The OB buoy can be designed to customers’ specifications.

The OCEAN GUARD™ Navigational and Marker Buoys are constructed with :

  • Central steel strength member
  • Closed cell rigid urethane floatation foam
  • Heat laminated impact absorbing closed cell foam
  • Thick tough filament nylon reinforced urethane elastomer skin


  • Internal radar reflectors
  • Non marking
  • Abrasion-resistant tough skin
  • Impact-absorbing
  • Unsinkable construction
  • Puncture resistant
  • Low maintenance, corrosion-resistant construction
  • Lighter than conventional steel buoys
  • Variety of end fittings to choose from
  • Easy to handle
  • Custom colors and designs available