Sau aTrip Launches Alpha Version of Booking Site Specializing in Sauna-Equipped Accommodations

Sau aTrip Inc. today announced the launch of the alpha version of “Sau aTrip,” a booking site specializing in accommodations with sauna facilities. Until now, there have been limited ways to search, compare, and book sauna-equipped accommodations in one place, making it difficult for sauna enthusiasts to find lodging that matches their needs. Sau aTrip was developed to address this issue by aggregating information focused on sauna-equipped accommodations and enabling users to search and compare properties by area, usage scenario, sauna facilities, and other criteria. The site also aims to connect sauna users with suitable facilities through photo-based equipment listings, reviews that score the sauna experience, and messages from property managers. The alpha version will operate as a search and comparison site without a booking function. The beta version, planned for release around winter 2026, is expected to add booking functionality so users can search, compare, and book within the site. The service is completely free, with no initial or monthly fees. Sau aTrip site URL: https://sau at ip. et According to the company, Japan’s sauna and spa market is expected to expand rapidly from about JPY 292 billion in 2024 to about JPY 1.9358 trillion by 2033. The market is projected to grow at a CAGR of 23.39% from 2025 to 2033, indicating that sauna culture is becoming an established growth industry in Japan rather than a temporary trend. However, current accommodation booking sites do not offer a dedicated way to search, compare, and book sauna-equipped lodging. Users cannot filter and compare such facilities across multiple criteria, and must instead check booking sites, social media, and each property’s official website one by one. Sau aTrip was launched to resolve this mismatch between the fast-growing sauna market and the booking environment that has yet to meet that demand. Sau aTrip is a booking site dedicated to sauna-equipped accommodations, designed to support search, comparison, and booking across hotels, ryokan inns, glamping sites, guesthouses, cottages, villas, and other lodging types. In the alpha version, users can compare prices, sauna information, and review scores for multiple properties on a single screen, then move smoothly to each property’s official website to book. The service supports use cases such as business travelers seeking a sauna-equipped hotel within five minutes of a station and under a JPY 15,000 expense limit, couples looking for an anniversary stay with a private in-room sauna, large groups seeking villas or cottages with pools and saunas, and female sauna users looking for accommodations with dry saunas in women’s bathing areas. The service offers six main features: search by free keywords, budget, area, mixed-gender access, sauna temperature, sauna type, and other criteria; themed recommendations such as sauna accommodations suitable for couples or family trips; favorites for saving properties; photo-based confirmation of saunas, cold baths, and rest areas; sauna reviews that score saunas, cold baths, and rest areas; and messages from property managers describing their vision for each facility. More than 100 facilities across Japan have requested listings, including popular sauna facilities such as Hokuo, Karumaru, and Skyspa YOKOHAMA, as well as chain operators such as TKP and LiVE MAX. Sau aTrip plans to expand the number of listed facilities over time. Looking ahead, Sau aTrip positions the alpha release as the starting point. The beta version will introduce full booking functionality, connecting search, comparison, and booking within one site. Future plans also include map search by destination, badge features, an in-site social networking function for sharing impressions and sauna experiences, exclusive coupons, and original sauna travel plans combining lodging and sauna experiences. The company says it will continue developing ideas that turn desired sauna experiences into reality, aiming for Sau aTrip to become a standard service for sauna travel and to further energize Japan’s sauna culture.