Thermae-Yu

Thermae-Yu is a massive, multi-story luxury spa oasis located right in the heart of Shinjuku's bustling Kabukicho district. It stands out by hauling in real thermal spring water daily from Izu, offering an authentic onsen experience without leaving the city. Expect immaculate indoor and outdoor baths, multiple saunas, a bedrock bathing area, and extensive relaxation lounges perfect for unwinding after a long day of sightseeing.

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