New Brand "GRAND MONday Resort" Launches with GRAND MONday Resort Tokyo Bay Maihama — The Area's Only All-Ocean-Front Resort with a Year-Round Lagoon Pool
GRAND MONday Resort Tokyo Bay Maihama, the first property under the new GRAND MONday Resort brand, is set to open on July 18, 2026 in Maihama. The 140-room resort features all ocean-front rooms overlooking Tokyo Bay, a year-round outdoor lagoon pool, multinational dining, and a premium sauna experience.