Seiuonso is a five-story reinforced concrete building to meet earthquake resistance standards.
Click on each floor to display the respective floors.
Our souvenir shop handles delicacies of Shimabara Peninsula and local sake.
（8:30 a.m. to 7 p.m.）
Multi-purpose field where guests can play ground golf and gate ball. It is large enough to use half by half..
There are 5 tennis courts (all-weather) located next to Kakitsubata Park about four minutes from Seiunso.
| Hours | 8 a.m. to 6 p.m. | |
| Price | 1 court (April to October) 1 hour: 1,000 yen | |
| 1 court (November to March) 1 hour: 800 yen | ||
There are five parking lots in the property that can hold up to a total of 200 vehicles. We also have a bus parking lot.
There are a number of hot springs in Japan that claim themselves “Gensen Kakenagasi*”, but real ones are rare. Seiunso is one of the few hot springs that meet tough Gensen Kakenagashi conditions. Please enjoy our high quality hot spring water.
Next to indoor baths. There are tatami space and chair space to let hot spring users rest after bathing. Food and drinks are served. Shochu can be ordered by bottles. Enjoy tasty drinks after hot springs.
There are six banquet rooms of various sizes that can be used for any type of parties.
It is a bright Western-style room with gentle sunlight shining through the window.
Please spend a blissful time in a higher-grade, high-quality space.
With a combination of a relaxing tatami space and a “fluffy bed”
This is a room where you can spend your time comfortably.
Equipped with 2 low beds on Ryukyu tatami mats, this room combines the “relaxation” of a Japanese-style room with the “comfort” of a Western-style room.
Three low beds were installed on Ryukyu tatami mats,This room combines the “relaxation” of a Japanese-style room with the “comfort” of a Western-style room.
Family and friends can relax in this bright, clean, and sophisticated room with tatami flooring.
Two spacious semi-double beds are installed.This room has a bright and calm atmosphere, taking advantage of the warmth of wood.
