For quick, casual and low-key, P.J.'s remains a local favorite.. In Short A local institution for more than three decades. Directly on busy Route 6 on the way into Wellfleet, it's a rare summer day when people aren't lined up at the restaurant's outside windows ordering scallops, clams, chowder, hot dogs, burgers or ice cream. Broiled or fried, the seafood is the popular option. Catch some sun on the outdoor picnic tables or retreat inside to the comfortable dining room. Better yet, order takeout and head to the beach.