The Oiso Prince Hotel Seaside Chapel, completed in 2000, stands as a contemporary addition to Kanagawa's architectural landscape. Designed by the renowned Ikehara Yoshiro Architectural Design Office, this chapel seamlessly blends modern aesthetics with spiritual purpose. Located in Oiso, the structure serves as a multifunctional sacred space, accommodating Shinto, Buddhist, Christian, and interfaith ceremonies. Its seaside position offers a serene setting that complements its architectural elegance, making it a noteworthy example of early 21st-century Japanese religious architecture that respects diverse spiritual traditions while maintaining design sophistication.