In Shonai -cho, Yamagata Prefecture, the birthplace of the three major varieties of Japan, Kame no Tao, has been cultivated and drunk since 1983.
| Product | Category | Avg. Price |
|---|---|---|
 Koikawa Tokubetsu Junmai Kuro Burakku | Tokubetsu Junmai | — |
 Koikawa Kamejikojitsu Junmai Ginjo | Junmai Ginjo | — |
 Koikawa Junmai Ginjo Tetsujin Usunigorishu | Junmai Ginjo | — |
 Koikawa Junmai Ginjo Kamejikojitsu Usunigori | Junmai Ginjo | — |
 Koikawa Junmai Ginjo Gohyakumangoku | Junmai Ginjo | — |
 Koikawa Junmai Ginjo Dewasansan Shiboritate | Junmai Ginjo | — |
 Koikawa Junmai Ginjo Dewasansan Minamisanrikucho Fukkoshien | Junmai Ginjo | — |
 Koikawa Dewasansan Junmai Ginjo Hiyaoroshi | Junmai Ginjo | — |
 Koikawa Dewanosato Junmai Ginjo Usunigori | Junmai Ginjo | — |
 Koikawa Tokubetsu Junmai | Tokubetsu Junmai | — |
