The Retail Fish Market & Restaurant Klein's is celebrating 95 years! Come and experience Klein's Fish Market, Waterside Café, and Tiki Bar conveniently located at River Road and Main Street on the Scenic Shark River in Belmar, New Jersey. There's something for everyone at Klein's with our vast selection of fresh seafood, soups, salads, sushi, burgers and pasta dishes. At Klein's, you will find a relaxing ambiance with all of your favorite cocktails! Strictly only Walk-Ins, no reservations.