Listings >> All Restaurants >>Breakfast & Brunch >>$ >>Coffee Shop & Café >>Sag Harbor Grindstone Coffee & Donuts Freshly made brioche donuts in a variety of delicious flavors. ( 631)-303-8870 @grindstonedonut Website ShareTweetPin+1 Serving Fresh Hot Donuts and Four Barrel Coffee 7 days a week in beautiful Sag Harbor, NY. ShareTweetPin+1 Related 7 Main Street, Sag Harbor Get directions Sun - Sat 8am - 5pm Photo gallery All photos (3) Meal: Breakfast & Brunchprice:Town: Sag HarborType: Coffee Shop & Café