About Us

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Cowboy Supermarket and Y&K Market is family owned and operated.  

Cowboy Supermarket is proudly serving Waltham with a custom butcher shop, full grocery store, restaurant, and bakery.  Located right on Main Street, in the heart of the town.

We started the store in 2003 and since then we opened a sister marketplace Y&K Market in Brighton, on Market St (an appropriate street name)

We make it our mission to serve the most delicious foods with excellent customer service, from open to close.  Constantly listening to our customers and neighbors, we expand our products and selections frequently, so come on by and check us out!