Karatsu Seaside Hotel

Beachfront hotel on Karatsu Bay with indoor mineral hot spring and seasonal outdoor pool

Accommodations & Rooms

Karatsu Seaside Hotel Japan offers 44 air-conditioned rooms, including Deluxe Twin Rooms with Sea View in the East Building. These 62-square-meter rooms feature a large balcony, a separate bathroom with ocean views, and a bar fridge with complimentary drinks replaced daily. Guests receive a free welcome cake from the lobby and access to slippers, free toiletries, and a hairdryer.

Dining

The hotel operates 3 onsite restaurants, with a dinner buffet that presents local specialties like odorigui squid prepared at the table. Breakfast offers handmade Onigiris customized to guest preferences, as well as a wide variety of Japanese and Western options. A complimentary cake service is available in the lobby, and kid-friendly buffet and kids' meals are provided.

Wellness & Onsen

Guests enjoy an indoor mineral hot spring and a rooftop onsen pool on the 8th floor with panoramic sea views. The spa facilities include separate men's and women's baths, dry saunas, a plunge pool, and a thermal pool at 36°C. Free ice cream from Chateraise is offered at the onsen area, and fitness/spa locker rooms are available for guests in the East Wing.

Activities & Facilities

Karatsu Seaside Hotel provides direct beach access with sunbeds and umbrellas, plus a seasonal outdoor swimming pool with views of Karatsu Bay and the pine grove. Bicycle rental services allow guests to explore Nijinomatsubara and Karatsu city center. Additional conveniences include an electric vehicle charging station, a vending machine, and a 24-hour front desk with concierge services.

Location & Nearby

Karatsu Seaside Hotel sits right on the beach in Higashi Karatsu, 45 km from Fukuoka Airport. Nearby attractions include the Hikiyama Exhibition Hall and Hoto Shrine, both within a short bicycle ride. The Nijinomatsubara pine grove, a celebrated scenic spot, is accessible directly from the hotel along the beach.

• Rooms: 44 sea-view rooms with complimentary minibar and welcome cake
• Dining: 3 restaurants with odorigui squid and handmade Onigiris
• Wellness: Indoor mineral hot spring and rooftop onsen pool with sea views
• Activities: Direct beach access, seasonal outdoor pool, bicycle rental
• Location: Beachfront on Karatsu Bay, 45 km from Fukuoka Airport