Grindstone Coffee & Donuts

Grindstone Coffee & Donuts Handmade brioche and cake donuts, espresso, cold brew, gifts and apparel. Two locations open seven days a week, all year round.
(304)

Another perfect Summer day at Grindstone means speciality iced coffee, matcha, egg sandwiches, and fresh brioche & cake ...
07/15/2026

Another perfect Summer day at Grindstone means speciality iced coffee, matcha, egg sandwiches, and fresh brioche & cake donuts. 🤝🍩💪 two locations to choose from and always some fun specials ☺️

A Grindstone Summer 😍 open every day at both locations! 🍩
07/13/2026

A Grindstone Summer 😍 open every day at both locations! 🍩

07/12/2026

Fresh donuts, cool gifts, a backyard patio to hang out at and an ice cold drink to keep you cool. Our East Hampton location is cozy!! Come check us out any day of the week 😎 🍩

07/09/2026

A perfect morning in Sag Harbor at our Flagship location 💜 you know there will always be something cool playing on the 📺, fresh donuts, and iced drinks waiting for you!

Happy Summer from 🍩

It’s a Grindstone Summer. ☀️🍩🇺🇸Happy 250th birthday America ❤️ come get yourselves some donuts and goodies from either o...
07/04/2026

It’s a Grindstone Summer. ☀️🍩🇺🇸

Happy 250th birthday America ❤️ come get yourselves some donuts and goodies from either one of our locations!! Open all day. 🇺🇸

Full Summer mode over at Grindstone... The East Hampton & Sag Harbor crews are working hard through the weekend to make ...
07/02/2026

Full Summer mode over at Grindstone... The East Hampton & Sag Harbor crews are working hard through the weekend to make sure you get your delicious Donuts, Coffees, Lattes, Matchas, BEC's and more.

We WILL have fresh baked Biscuits from Chef Josh in the house on Saturday & Sunday (Sag Harbor store only). Egg sandwiches are available at both locations daily! Also... have you tried the Passionfruit Coconut yet because 🤤

🍩

06/29/2026

Have you had our new Summer sensation yet? The Passionfruit Custard Coconut donut 😍🥥🍩 it’s been fully vetted and approved by Kieran Conlon 🤝

Come hang out at our East Hampton location - open 7am-2pm daily ❤️

06/26/2026

Wake up! Schools finally out for Summer… it’s 2002 and you just got The Legend of Zelda Wind Waker for Gamecube after coming home from Grindstone with a big Maple Sea Salt donut 🍩 😍 🎮

Happy Summer! Come visit us 🎤

📺

The dance of Summer. We wake up every day at 2am to prepare the best donuts you'll eat on Long Island. Trays and trays a...
06/22/2026

The dance of Summer. We wake up every day at 2am to prepare the best donuts you'll eat on Long Island. Trays and trays and trays get prepped, proofed, fried, glazed and topped so you can enjoy them fresh at 7am when we open our locations 🤤

What's your favorite donut that we have on the menu?! Comment below! ⬇

The Saturday morning Grind(stone)Open at both locations all day for the goods! As a reminder, our Grab & Go Egg Sandwich...
06/20/2026

The Saturday morning Grind(stone)

Open at both locations all day for the goods! As a reminder, our Grab & Go Egg Sandwiches are available at Sag Harbor & East Hampton daily but our biscuits are only available in Sag Harbor on the weekends (Sat & Sun) while supplies last! You can get a drip coffee for only $1 when you purchase a BEC or EC sandwich. 😊

🍩

Address

7A Main Street
Sag Harbor, NY
11963

Opening Hours

Monday 7am - 1pm
Tuesday 7am - 1pm
Wednesday 7am - 1pm
Thursday 7am - 1pm
Friday 7am - 1pm
Saturday 7am - 1pm
Sunday 7am - 1pm

Website

Alerts

Be the first to know and let us send you an email when Grindstone Coffee & Donuts posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Shortcuts

Share

Category