Unkai Shuzo (雲海酒造株式会社)

Unkai Shuzo is a brewery in Miyazaki Prefecture, founded in 1967, known for Kobiki, Unkai and Satsuma Kohi. Known as the pioneer of Japan's first authentic buckwheat shochu 'Unkai', also crafting sweet potato and barley shochu as well as sake. KIKI lists 11 of its bottles.

Key facts

NameUnkai Shuzo (雲海酒造株式会社)
LocationMiyazaki Prefecture
Founded1967
MakesSake and Shochu
Websitewww.unkai.co.jp

What kind of brewery is it?

History

Founded in 1967 as Gokase Shuzo Yugen Kaisha, the brewery released Japan's first authentic buckwheat shochu, Unkai, in 1973 before changing its name to Unkai Shuzo Co., Ltd. in 1978. It subsequently expanded with barley shochu Iitomo, sweet potato shochu Hyuga Kobiki, sake brewing, and tourism facilities like Kuramoto Aya Shusen no Mori.

What makes it distinct

WaterUses natural soft water from Mt. Gion at the Gokase distillery and underground spring water from Aya's laurel forest at the Aya distillery.
YeastUtilizes proprietary yeasts including the marine Hyuganada Kuroshio Yeast and in-house Unkai Soba Hana Yeast.
IngredientsUses carefully selected ingredients such as Southern Kyushu Koganesengan sweet potatoes, buckwheat, barley, and rice koji.
StyleOperates multiple regional distilleries tailored to specific spirits, utilizing oak barrel and earthen pot aging.

Visiting

Advance reservations allow guided tours with tastings at Aya Shizengura Kengakukan, alongside retail shopping at Kuramoto Aya Shusen no Mori.

  • Tours
  • Shop

Bottles from this brewery

The KIKI app knows 31 bottles from this maker (11 on this site).

Prices as of 1 Oct 2026
BottleTypePer 720 ml
Kobiki BLUE Imo Shochu 25%木挽 BLUESweet potato shochu¥599
Unkai Buckwheat (Soba) Shochu 25%雲海 そば焼酎Buckwheat shochu¥576
Satsuma Kohi Sweet Potato Shochu薩摩古秘Sweet potato shochu¥813
Iitomo 20% ShochuいいともBarley shochu¥545
Hyuga Kobiki Black Koji Sweet Potato Shochu 20%日向木挽 黒麹 20度Sweet potato shochu¥567
Satsuma Kobiki Black Koji Shochuさつま木挽 黒麹仕込みSweet potato shochu¥669
Hyuga Kobiki Sweet Potato Shochu 20%日向木挽 20度Sweet potato shochu¥567
Iitomo Black Kojiいいとも 黒麹Barley shochu¥625
Nayuta no Toki Long-Term Aged Soba Shochu那由多の刻 長期貯蔵Buckwheat shochu¥1,180
Unkai Mayan no Tsubuyaki Long-Term Aged Buckwheat Shochu 38%雲海 長期貯蔵そば焼酎 マヤンの呟き 38度Buckwheat shochu¥3,213
Satsuma Kobiki Shochuさつま木挽Sweet potato shochu¥616

Awards

From the results of the Japan Sake Awards (National Research Institute of Brewing)
YearCompetitionResultEntrySource
Brewing year 2025Japan Sake Awards (Zenkoku Shinshu Kanpyokai)Gold prize登喜一PDF
Brewing year 2024Japan Sake Awards (Zenkoku Shinshu Kanpyokai)Prize (nyusho)登喜一PDF
KIKI 利き
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