Mount Sinai and Port Jefferson Harbors

  • Recreational mooring permits are available seasonally to purchase online
  • The mooring season runs from:
    • Mount Sinai Harbor : March 1 (or from the date of issue) until November 30
    • Port Jefferson Harbor: March 1 (or from the date of issue) until December 15
  • Permits will be issued to new applicants on a first-come, first-serve basis
  • If you have any questions or need assistance, please call 631-451-6101

Annual Permit Fee

  • $181 Resident Recreational Permit
  • $423 Non-Resident Recreational Permit
  • $264 Commercial Permit
  • $5,500 Barge Permit (Port Jefferson Only)
  • $110 ($550 max) Sailing Education Programs (Port Jefferson Only)

Mooring Documents

Mooring Tackle

  • Boaters must purchase their own mooring tackle to be dropped in the harbor
  • Mooring tackle must meet Town specifications as stated in our rules and regulations affecting boat moorings and must be inspected before being dropped in the harbor
  • Used or new mooring tackle can be purchased from the firms listed below
    • Old Man’s Boat Yard in Mount Sinai:  631-473-7330
    • Ralph’s Fishing Station in Mount Sinai:  631-473-6655
    • Murphy’s Marine Service in Port Jefferson: 631-796-4462

Launching and Dinghy/Kayak Racks and Docks

  • Brookhaven offers Dinghy/Kayak Rack/Docks storage at the Mount Sinai Marina for a fee.
    • Old Man’s Boat Yard also provides Dinghy storage for a fee
  • Ralph’s Fishing Station provides a launch service for a fee