The farm produces a wide range of dairy products including fresh milk, cheese, butter, yogurt, and ice cream, all made from milk produced on-site. The farm shops also sell meat products from livestock raised at Koiwai, including lamb and beef. Restaurants on the premises serve dishes featuring these ingredients, such as Genghis Khan (grilled lamb) and dairy-based desserts. Souvenirs and packaged goods are available for purchase to take home.