Shiogama Seafood Wholesale Market is home to over 140 seafood stalls dealing in fresh fish, processed marine products, and salted and dried seafood. With Shiogama Port located right next door, the wholesale market sees large hauls of fresh fish unloaded daily. The fresh tuna (maguro) catch at Shiogama Port is one of the largest in the entire country. Inside the wholesale market are over 20 stalls specializing in tuna.

In addition to purchasing seafood, visitors can have a meal at one of five restaurants inside the market. At “My Kaisendon,” customers can select seafood and then buy a rice set for ¥400 at My Kaisendon section to create their very own kaisendon (seafood rice bowl).