5045 Nesconset Highway 

(Rt. 347 & Jayne Boulevard)

Port Jefferson Stn, NY 11776


Phone:  (631) 928-7777

Starting August 31, 2020 Seaport Diner will be closed on Monday
Tuesday - Sunday
8:00 am to 9:00 pm
Closed Monday
Thank you for your
continued support.

Family Owned


No Reservations Needed


Conveniently Located Minutes from Downtown Port Jefferson


Accommodate Large Parties & Groups


Walk-In's Welcome

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Open Tuesday through Sunday
for Breakfast, Lunch, Dinner
& Late Night Snacks

Indoor Dining & Seating Available

Take-Out Available


Full Bar Available

Wine • Beer • Cocktails

The Staff & Management will always make every effort to ensure that you have a pleasurable dining experience!