Accessed via a private lift from the indoor pool area on the 2nd floor to the 1st floor, it reveals a mysterious cave ambiance. Discover Takisen for romantic soaks under starry skies, Doukutsusen with picturesque views of Shonan Sea and Mt. Fuji, Saishikisen changing colors at night, and Reisuisen for cooling benefits. The waterfall flow, Enoshima’s negative ions, and soothing sound of waves combine to melt away stress. A sleeping space in the back enhances relaxation, offering sky-gazing and serenity.