Triangle Coffee Bar

Watertown, MA · Coffee shop

Rating
4.8/5
★★★★★ 4.8
Reviews
20
Rank in Watertown
#7
of 116 restaurants
City Percentile
87%
rating percentile
Address
Triangle Coffee Bar, 66 Galen St, Watertown, MA 02472
Website
www.triangleco.xyz/66-galen
Status
Closed · Opens 7 AM Mon

Triangle Coffee Bar is a restaurant located in Watertown, MA. It is one of 116 restaurants listed in Watertown. Its 4.8-star rating is above the Watertown city average of 4.4 stars. It ranks #7 of 116 restaurants in Watertown. There are 10 photos associated with this location.

Hours

SaturdayClosed

Customer Reviews

★★★★★ 5.0 Sarah Sagan · Jan 2026

I like to go in the morning when there's no line. It's a great place to visit before work. Love the variety in coffee flavors without it being overwhelming. The staff are super nice and help me decide when I can't pick between flavors. It would be much more convenient for me to visit the Starbucks or Dunkin in Newton Corner, but I purposefully make an effort to visit Triangle because I feel that their coffee and service is better. Plus, they do this really cute latte art, and I feel like that's pretty difficult to find with large coffee chains. It feels much better to support a small business. I recommend checking it out just for the vibes. The interior of the building is really cool and has a fake fireplace. Edit: One of the staff (I failed to get their name!) gave me a pastry and coff

★★★★★ 5.0 Bill Hennessey · Jan 2026

Great service every single time I am in there. The coffee options are awesome. Tried the various pastries - I usually get the banana bread, but yesterday The Lemon Poppy Seed Scone. It did not disappoint. Definitely worth a visit.

★★★★★ 5.0 Michael · Dec 2025

Tried it for the first time. The staff was very friendly, the place was immaculately clean, and the Umami Spice sandwich was absolutely delicious! Very minimal wait time. It is an awesome place to get a quick bite, a nice cup of coffee and sit and set up with a laptop. Definitely a must try!!!

★★★★★ 5.0 Elena Siani · Mar 2026

Great vibes and great coffee! I saw people working, meeting up to chat and relax, and running in and out for coffee while waiting for the bus. What a great addition to the neighborhood!

★★★★★ 5.0 Sergio Siani · Feb 2026

Wonderful space to relax with the right food options, excellent coffees and attentive service. A+ for a real breakfast or lunch and a great place for a chat with friends and family. Our well behaved grandkids enjoyed it too!

Services

Coffee shop

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This listing is informational. Contact the business directly to verify credentials, services, and availability.