Clear Conscience Cafe (C3)

(Now Closed)
Coffee Shop, Café, and Coworking Space
581 Massachusetts Ave (Pearl St), Cambridge, MA 02139, United States
Credit Cards:
Yes (incl. American Express)
Wi-Fi:
Yes
Total Visitors
853
Total Visits
2,228
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32 tips. Filter by taste:

  • all tips
  • sandwiches
  • harvest
  • organic food
  • bagels
  • paninis
  • breakfast food
  • bean salad
  • Arnold Palmers
  • comfortable seats
  • vegan food
  • chocolate chip cookies
  • coffee
  • jazz music
  • cupcakes
  • eggs
  • soup
  • ham
  • baked goods
  • rice milk
  • peanut butter
  • Keri G.

    Sadly, now closed. :(

    Keri Garel · March 11, 2013
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  • Char K.

    C3 can call itself C4 (the fourth one standing for Closed) until it reopens across the street @ 580 Mass. Ave.

    Char Kasprzak · June 17, 2012
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  • C3 A.

    I'm digging the snacks!

    C3 Admin · May 4, 2012
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  • Joshua B.

    Lovely piano jazz on the radio.

    Joshua Berk · May 3, 2012
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  • Nikita A.

    The C3 grilled cheese sandwich is really good. You had better get one. Or else...

    Nikita Aristarkhov · April 27, 2012
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  • Mika P.

    On the MBTA outbound side of Mass Ave.

    Mika Pyyhkala · April 22, 2012
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  • James D.

    Their Arnold Palmers are the real deal.

    James Donner · March 10, 2012
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  • Theresa K.

    Free wi-fi but only for an hour.

    Theresa Kim · January 26, 2012
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  • Lauren Z.

    They aren't used to being busy. If you come in around lunch, be ready to wait 20 minutes for a sandwich.

    Lauren Zeal · January 24, 2012
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  • Paul H.

    The Purple Berry tea is amazing and piping hot!

    Paul H. · January 19, 2012
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  • David D.

    Shop local. Tip well. Pay cash.

    David Day · January 13, 2012
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  • Alex C.

    Get the Breakfast Egg. Best bagel sandwich in Cambridge. The ham on it is amazing.

    Alex Cahiz · September 13, 2011
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  • Cato S.

    Good food, coffee and seating, but way overpriced. Read more

    Cato Stevens · September 13, 2011
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  • Hiroki M.

    They have free wifi for 1 hour.

    Hiroki Murakami · August 17, 2011
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  • penguin

    Their wifi only lasts an hr here so if u actually have work 2 do go 2 starbucks

    penguin · August 12, 2011
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  • Molly S.

    Baked goods are delicious and so are the sandwiches. Enjoy!

    Molly Simpson · July 30, 2011
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  • Kristina T.

    The name is so crazy pretentious I nearly gagged checking in here, but the food is good - albeit overpriced. The turkey/apple/Brie sandwich is worth it though. Everything here tastes from-the-earthy.

    Kristina Ten · July 20, 2011
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  • Jeanette B.

    Amazing vegan chocolate chip cookies. NOM!!!

    Jeanette Beal · July 8, 2011
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  • Madison G.

    Sweet po-tay-tow sandwich is bomb. Enjoy!

    Madison Gouzie · June 29, 2011
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  • JerseyGirl

    Great bagels and organic egg sandwiches.

    JerseyGirl · June 11, 2011
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  • george g.

    Make sure to bring a friend. Everybody's judging.

    george g · February 21, 2011
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  • Jennifer D.

    Stick to coffee, which is great. The espresso drinks are a bit weak and not always well crafted. Yummy soups!

    Jennifer Drahos · February 6, 2011
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  • CityRover M.

    Occupying the front portion of Harvest Coop (where health-conscious locals load up on organic tomatoes and cereal), C3 serves soups, paninis (try the Peanut Butter and honey), and organic baked goods. Read more

    CityRover Media · January 6, 2011
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  • Zach K.

    Love the chicken panini but the price is highway robbery like most sandwich shops in central.

    Zach Kahn · November 17, 2010
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  • Tyson G.

    Great organic coffee...

    Tyson Goodridge · August 4, 2010
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  • Ted

    Add a shot of espresso to your chai latte here. You can taste the organic!

    Ted · June 15, 2010
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  • Amy U.

    Rice milk AND Stevia?! A healthy gal's dream cafe! PS staff is sweeter than cupcakes.

    Amy Ullman · April 8, 2010
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  • Greg S.

    Good food but very expensive for just a sandwich.

    Greg Stellato · April 2, 2010
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  • Tara C.

    Don't forget to check out the Harvest market in the back!

    Tara C · March 21, 2010
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  • Jess P.

    try the grilled cheese sandwich - seriously the best thing ever.

    Jess Peng · February 9, 2010
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  • Margaret !.

    have the roast beef sandwich 'for here' - you get a fantastic bean salad with it. I don't know which is better...

    Margaret ! · January 7, 2010
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  • Sam S.

    the veggie sandwich is amazing. eat it on the comfy couch!

    Sam Sacks · December 9, 2009
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