Kanagawa Fujisawa City
A scenic natural hot spring resort on Enoshima overlooking Sagami Bay and Mount Fuji
"Enoshima Island Spa" is a resort-style bathing facility located on Enoshima in Fujisawa, Kanagawa Prefecture. From Fuji Umiyu, a natural hot spring drawn from deep underground and known for its excellent heat-retaining properties, you can take in sweeping views of Sagami Bay and Mount Fuji, and immerse yourself in an overwhelming sense of openness. After working up a good sweat in the authentic dry sauna, cool down in the refreshing cold plunge bath to help balance your nervous system and enjoy a deeply relaxing experience. The facility also includes a spa area where swimsuits are required, a treatment salon, and a restaurant with ocean views, allowing you to forget the everyday and spend a blissful time here.

A natural hot spring classified as sodium chloride strong saline spring, gushing from deep underground. Also known as the hot spring of heat, it offers excellent heat retention and moisturizing effects, so its warmth lingers long after you leave the bath. From the tub, you can enjoy sweeping views of Sagami Bay and Mount Fuji, and take in the ever-changing scenery of Shonan while savoring a truly satisfying bathing experience.

In the authentic dry sauna set within the bathing area, the powerful heat from a convection-style stove embracing sauna stones envelops your whole body and draws out a thorough sweat in a short time. After spending a quiet moment facing yourself, head to the crisply chilled, refreshing cold plunge bath filled with tap water. Your heated body tightens up, and the contrast of hot and cold leads you into deep relaxation.
Open Year-Round
Kanagawa
Sky SPA overlooking Yokohama
Kanagawa
Kawasaki sanctuary boasting an ultra-concentrated natural hot spring and a submersible amber cold plunge bath
Kanagawa
A Yokohama sauna that helps you totonou with a waterwheel-style sauna stove and Chinese tea löyly
JAPAN'S FINEST ONSEN & SAUNA
The Finest Onsen & Sauna in Japan
64 SELECTIONS
Most of what we surveyed never even made it onto this site. This book is a further cut from what did. Our editor bathed in every onsen and sauna in it, and wrote only what they confirmed on the ground.