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Living in Port Jefferson, New York

The U.S. Geological Survey records Port Jefferson as a populated place. Its GNIS reference point is listed under the county label Suffolk County, New York, on the Port Jefferson map. This identifies a geographic reference point, not the full community boundary, current administrative boundaries, or its legal incorporation status. Use the locality and county references below when checking an address or distinguishing similarly named places.

Locality and service planning

GNIS county label: Suffolk County
Locality type: GNIS populated place

Food & drink mapped to this locality

These places come from the existing exact-locality directory. Map coverage is not a complete business inventory.

Tommy's Place
Port Jefferson · 0.0 miles straight-line · 109 Main Street, Port Jefferson, NY, 11777
Map extract: 2026-09-02
Slurp Ramen
Port Jefferson · 0.0 miles straight-line
Map extract: 2026-09-02
Prohibition Port Jeff
Port Jefferson · 0.0 miles straight-line · 115 Main Street, Port Jefferson, NY, 11777
Map extract: 2026-09-02
The Steam Room
Port Jefferson · 0.0 miles straight-line · 136 East Broadway, Port Jefferson, 11777
Map extract: 2026-09-02
Dunkin'
Port Jefferson · 0.1 miles straight-line · 122 Main Street, Port Jefferson, NY, 11777
Map extract: 2026-09-02

Listings describe map records, not recommendations or a guarantee that a business is open. Confirm opening hours and service availability directly before visiting.

Locality questions

What county context identifies Port Jefferson?

USGS GNIS lists the reference point for Port Jefferson under the county label Suffolk County. A reference point is not a municipal boundary or proof of current administrative boundaries; consult the linked locality and county sources for the geographic identity.

Are the named food and drink listings inside Port Jefferson?

These records belong to Port Jefferson's exact-locality directory: Tommy's Place (Port Jefferson, 0.0 miles straight-line); Slurp Ramen (Port Jefferson, 0.0 miles straight-line); Prohibition Port Jeff (Port Jefferson, 0.0 miles straight-line). Map coverage is not a complete inventory; confirm addresses and opening hours directly.

Planning your move

For an address in Suffolk County, confirm school assignment, utility service and permitting with the responsible provider or local authority. Nearby listings do not establish a school district, utility service territory or municipal boundary.

Locality sources

Locality references reviewed October 7, 2026. Map classifications are not proof of incorporation; unavailable population, climate and cost estimates are not invented.