Shonan RESORT SPA Ryujoji no Yu (Chigasaki City, Kanagawa Prefecture), operated by Auckland Tourism Development Co., Ltd. (Kasugai City, Aichi Prefecture; President Tetsuaki Matsunaga), will launch a collaborative project with Sea Sauna Shack, a private sauna facility in Tateyama, Chiba Prefecture, and Ryu Ambe, a fine artist based in Shonan/Chigasaki. This unique initiative combines Shonan's seaside culture, sauna, and art, featuring limited-edition collaborative merchandise and a silk screen printing event by Ryu Ambe. A triple collaboration between Shonan RESORT SPA Ryujoji no Yu, Sea Sauna Shack, and Ryu Ambe. ■ Where Sauna Culture Meets Art In recent years, saunas have gained attention not only as places for physical and mental wellness but also as community spaces where new values and cultures emerge. Bringing together Sea Sauna Shack, which promotes coastal sauna culture, artist Ryu Ambe based in Shonan, and Shonan RESORT SPA Ryujoji no Yu, this collaboration offers a unique experience that blends the openness of Shonan, the comfort of sauna, and the creativity of art. Ryu Ambe Silk Screen Printing Event Live silk screen printing by artist Ryu Ambe Date: July 4, 2025 (Sat) 1:00 PM–4:00 PM Location: Shonan RESORT SPA Ryujoji no Yu Artist Ryu Ambe will be present to create original silk screen designs on T-shirts and tote bags brought by visitors. ・No reservation required ・Walk-ins welcome (plain white T-shirts available for purchase) Fee: 2,000 yen per print; additional color 500 yen (tax included) Ryujoji no Yu × Sea Sauna Shack × Ryu Ambe Triple Collaboration Merchandise RYUSENJI SURF CLUB T-shirt Release date: July 4, 2025 (Sat) 1:00 PM onward Sales location: Shonan RESORT SPA Ryujoji no Yu Prices (tax included): ・Collaboration T-shirt (Ryujoji no Yu ver.) 6,500 yen ・RYUSENJI SURF CLUB T-shirt 6,500 yen ・Collaboration shorts 6,800 yen ・Collaboration tote bag 3,800 yen ・Original sticker 500 yen Collaboration Partners Sea Sauna Shack A private sauna with view