Grand Mercure Wakayama Minabe Resort & Spa
Family resort with a black hot-spring outdoor bath on the Wakayama coast
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Shared bathing area for all genders
Welcomes children and families
A restaurant or dining room open to visitors, not only meals for overnight guests
On-site or nearby parking available
The resort has indoor and outdoor public baths, and the outdoor bath draws on a natural spring called kuro-yu (黒湯), literally 'black water', with a sauna that reviewers say runs properly hot from early morning. It's a big family resort on the Wakayama coast rather than a quiet retreat: with most guests here for the pools, buffets and an all-you-can-drink lounge, the baths and elevators can get busy at peak times. Rooms include sea views, dinner and breakfast run buffet-style, and day-use bathing is welcome for anyone just visiting Minabe.
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Last updated September 29, 2026