A rooftop observatory open-air bath with a 180-degree panorama overlooking the Sea of Japan. It features a cypress-built tub called the Great Sea Bath and a unique tub called the Sky Big Catch Bath, arranged from a real fishing boat, giving you the sensation of soaking as if you were floating on the sea. In the evening, you can watch the beautiful sunset sink into the Sea of Japan while tinting the sky and sea deep red, offering an unforgettable bathing experience that can only be enjoyed here.

Located on the second floor of the building, this observatory large bath boasts superb views that stretch straight to the horizon. It features the Tide Song Bath and the Cuckoo Bath, letting guests feel as though they are soaking directly in the sea. As you admire the spectacular view of the Sea of Japan through the large windows, you can surrender yourself to the gentle natural hot spring water rich in chloride and sink into deep relaxation both mentally and physically.

The Turtle Bath and the Princess Bath, located on the first basement floor. Although there is no view outside, the space is quiet and calm, allowing you to fully appreciate the pure goodness of the natural hot spring water filling the tub. The salt-rich hot spring warms the body from within and promotes blood circulation. Even after bathing, your skin stays moist and hydrated, and the pleasant warmth lingers for a long time.

Luxurious natural hot spring water with 100% source-fed flow supplied to the unit bath in every guest room. In this private space, you can enjoy fresh hot spring water to your heart's content at any time, without being disturbed by anyone. One of its charms is the chance to spend your own indulgent bathing time while gazing out at the beautiful ocean view beyond the window.