Welcome to Karuizawa Marriott Hotel, a tranquil retreat hotel in Karuizawa nestled amidst scenic mountains and highlands. Just 70 minutes from Tokyo via bullet train, our modern hotel in Karuizawa offers contemporary amenities and relaxing rooms designed for comfort. Recharge in nature with soothing décor, wooden floors, and windows framing the changing seasons. Reserve a cottage at our family friendly hotel in Karuizawa with hot spring baths or enjoy view baths in other rooms. Our dog-friendly accommodations, including traditional Japanese rooms, feature luxurious beds, mini-fridges, flat-screen TVs, and free WiFi. Savor delicious cuisine at our restaurants, such as the breakfast menu at Grill & Dining G. Pamper yourself with a spa package, work out in the gym, and unwind in our resort's hot springs. We also provide a stylish meeting space for up to 60 guests. Experience the perfect blend of relaxation and modern luxury at our Karuizawa hotel.