Grumpy Jack's Inc
Port Jefferson, New York
restaurant
🟢 Open Now Last updated: 1/24/2026
⭐ 4.2
155 reviews
📍 Address
28 Oakland Avenue, Port Jefferson, New York
🕒 Opening Hours
monday 9:00 AM - 8:00 PM
tuesday 9:00 AM - 8:00 PM
wednesday 9:00 AM - 8:00 PM
thursday 9:00 AM - 8:00 PM
friday 9:00 AM - 9:00 PM
saturday 10:00 AM - 10:00 PM
sunday 11:00 AM - 7:00 PM
ℹ️ About This Business
Welcome to Grumpy Jack's Inc, your premier destination in Port Jefferson. We pride ourselves on providing exceptional service and creating memorable experiences for all our guests.
Business Features & Amenities
✓ Free WiFi
✓ Credit cards accepted
✓ Outdoor seating
✓ Delivery available
✓ Takeout available
✓ Parking available
📞 Contact Information
Phone: +1-631-473-4262
Website:
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