Welcome to Clam Castle featuring Taco Pacifico! Thanks for a great season - see ya next Spring!" World Famous Fresh Seafood & Now Authentic Mexican Clam Castle, a local favorite A shoreline landmark that has been in Madison, CT for about 60 years.Our menu offers a “basic clam shack menu” that features fish and chips as well as more traditional summer foods, including hamburgers and hot dogs. Visit Us CLOSED for the Season 1324 Boston Post Road Madison, CT 06443 (203) 245-4911 Need Something? Drop us a line... The Freshest Seafood OutDoor / indoor dining Sit outside in our pavilion or come inside!