According the locations page within its website, Tony C's is now open in the space where Jerry Remy's has been, and it appears that the ownership remains the same (the Cronin Group--which owned this location of Jerry Remy's--is behind other locations of Tony C's in the Boston area). Back in April, it was mentioned that Tony C's had taken over the space in the Fenway where another Jerry Remy's had been, and it was also learned that Tony C's had been planning to expand to the Seaport District as well, though we were unable to confirm at the time that it would be moving into the Jerry Remy's location.
Currently, locations of Tony C's can be found in the Fenway, Somerville, and Burlington, while remaining locations of Jerry Remy's are at Logan Airport and an independently-owned outlet in Fall River.
The address for the new Tony C's in the Seaport District is 250 Northern Avenue, Boston, MA, 02210. The website for all locations of Tony C's can be found at https://www.tonycssportsbar.com/
[Earlier Articles]
Tony C's Is Coming to Boston's Seaport District
Jerry Remy's in Boston's Fenway Has Closed for Good; Tony C's Is Replacing It
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[A related post from our sister site (Boston's Hidden Restaurants): List of Restaurant Closings and Openings in the Boston Area]