長岡南浴場ながおかみなみよくじょう
Last entry is at 20:15, 45 minutes before the 21:00 close.
Towel and soap are extra (towel 100 yen, soap 50 yen). An 11-visit ticket book is also available (adult 5,000 yen, child 2,500 yen).
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Allows entry with visible tattoos
Based on a single reviewer's observation of a tattooed patron on-site; not a stated official policy.
Welcomes children and families
Children may bathe, but reviewers note the water can be too hot for young kids.
Shower, wash stations, soap and shampoo provided
Wash stations are present, but shampoo/soap provision is reported inconsistently across recent reviews; the official site lists soap as a paid item (50 yen) rather than a free amenity.
On-site or nearby parking available
Nagaoka Minami Yokujo is a small, city-run bathhouse at the entrance to Izu-Nagaoka's onsen quarter. There's no outdoor bath, just two indoor tubs of different sizes, and the water runs hot: real onsen water, not a heated pool, and reviewers often mention how smooth it leaves their skin. It's a plain, functional place built for a quick soak rather than lingering: a handful of wash stations and lockers, but a small bench by the reception instead of a lounge. Straightforward and cheap, it works better as the kind of bath locals actually use than a destination stop.
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Last updated August 5, 2026