Groton

Best Diner Restaurants in Groton

Looking for the best Diner restaurants in Groton? We've gathered 4 spots serving Diner food in Groton, ranked by real diner reviews and ratings. Browse photos, check menus, and request a free reservation — all in one place. Updated June 2026.

Unclaimed

Best Diner Restaurants in Groton

Norm's Diner

Casper's

Johnson's Restaurant and Dairy Bar

Groton Townhouse Restaurant

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