Coastal Mountain Retreat

Where Tranquility Meets Luxury

RAIDEN RESORT & SPA

A Boutique Retreat in Hidden Hokkaido

Opening this winter 2025-2026

Now Open: Restaurant Shiokaze & Raiden Café & Bar

Restaurant Shiokaze (レストラン「潮風」) – Open Fri/Sat/Sun 11:30–14:30 (L.O.), featuring
seasonal tasting menus, à la carte, and curated catering.
Reservations required:

RAIDEN CAFE & BAR
Open Fri/Sat/Sun 11:30–18:00 (L.O.), serving signature cocktails, fine wines, and premium spirits.

Coastal Mountain Retreat

Where Tranquility Meets Luxury

RAIDEN RESORT & SPA

A Boutique Retreat in Hidden Hokkaido

A Boutique Retreat in Hidden Hokkaido

Opening this Spring 2026

Now Open: Restaurant Shiokaze & Raiden Café & Bar

Restaurant Shiokaze (レストラン「潮風」) – Open Fri/Sat/Sun 11:30–14:30 (L.O.), featuring
seasonal tasting menus, à la carte, and curated catering.
Reservations required:

RAIDEN CAFE & BAR
Open Fri/Sat/Sun 11:30–18:00 (L.O.), serving signature cocktails, fine wines, and premium spirits.

Check Availability

Book direct with us for the best rates

Coastal Mountain Retreat: Where Tranquility Meets Luxury

Where the mountains meet the sea, discover Hokkaido’s most exclusive coastal
hideaway. RAIDEN RESORT & SPA at Iwanai will soon welcome guests to a refined
boutique experience—panoramic ocean and mountain views, handcrafted interiors,
and discreet luxury beyond the crowds of Niseko.

Rooms & Suites

Japanese restaurant

Bar

Secluded Serenity

Indulge in understated luxury and impeccable service as you unwind in our elegantly appointed rooms and suites.  Each space harmonizes modern sophistication with coastal charm, offering sweeping ocean views from private balconies or terraces. The hotel aims for our valued guests to fully enjoy the property, its beautiful surroundings and the numerous activities available.  Or simply relax within our serene facilities.

Panoramic View
Unique Rooms and Suites

Discover the hidden gem of Iwanai at our boutique hotel, where modern design meets rustic charm in perfect harmony. Nestled in this picturesque corner of Hokkaido, our rooms and suites offer breathtaking views of the Sea of Japan and Mount Iwanai, with each season unveiling the untouched beauty of the region.

Hand-tailored furnishings and flooring crafted from exotic wood blend contemporary elegance with rustic warmth. RIVOLTA CARMIGNANI bed linens, FRETTE towels, and luxury amenities ensure the utmost comfort, while modern conveniences like smart TVs and coffee machines elevate your experience. Subtle Japanese influences complete the design, creating a seamless fusion of luxury and tradition.

Framed photographs by renowned photographers capture Iwanai’s stunning landscapes and rich history, further immersing you in the spirit of this remarkable region. With a deep commitment to sustainability, our hotel team provides personalized service to ensure your stay is as comfortable and memorable as possible.

Unique Rooms

Suites

Our facilities and amenities

Traditional Japanese Cuisine

Tucked away in the tranquil expanse of Hidden Hokkaido, the Japanese Restaurant at RAIDEN RESORT & SPA in Iwanai presents an unparalleled dining experience, celebrating the essence of traditional Japanese cuisine. Overlooking the serene ocean coastline and the awe-inspiring Mount Iwanai, our restaurant offers a perfect blend of natural beauty and culinary artistry. Immerse yourself in the flavors of Japan, meticulously prepared by our skilled chefs using the finest local ingredients. From delicate sushi to flavorful tempura, each dish is a tribute to the rich culinary traditions of Iwanai. Indulge in a dining experience that marries elegance, authenticity, and the captivating charm of our scenic surroundings.

Book Now & enjoy
Panoramic Sea View Accommodation