The market is concentrated in Okinawa, with growing supply in Niseko, Rusutsu, Hakuba, Karuizawa, Hakone and Kyoto (Tokyu Resort STYLE). A snapshot of Tokyu Resort's own listings showed 61 of 66 units in Okinawa, mostly priced between ¥50m and ¥100m+, with studios and 1-bedrooms of 50–59 m² the most common.
Tokyu Resort (東急リゾート) is the most visible specialist. It sells new projects such as STORYLINE Senagajima (101 rooms, sold out before its April 2024 opening, with owners split roughly evenly between individuals and companies according to the Ryukyu Shimpo), Quill Resort Okinawa, MUWA Niseko and The Vale Rusutsu, and it brokers resales. It says it has handled 11 new-build buildings and 1,000+ units in Okinawa.
Mitsui Fudosan Realty (三井不動産リアルティ) launched the resort brand '三井のリゾコレ' (Mitsui no Resocolle) for high-end domestic and overseas resort property and hotel residences. It has cited MUWA NISEKO and Shigira Mirage on Miyako Island among its listings, and it is the inquiry contact for BLISSTIA SUITES & RESORT Okinawa Onna (139 rooms, all 50 m²+, opened 15 July 2026), developed by Sankei Building, Tokyu Land and Nippon Steel Kowa.
Local Okinawa specialists include Fun Okinawa in Ginowan, which handles both sales and resales of condo hotels, and Villa Resort (villa-realty.com), which lists hotel condos alongside villas and small licensed hotels across Okinawa and Da Nang. In Hokkaido, foreign-facing brokers include H2 Christie's International Real Estate (formerly Hokkaido Tracks), Nisade Real Estate and List Sotheby's International Realty.
Remember that most of this public guidance comes from sellers with an interest in the sale. Use it to frame your questions, then check the property's own documents, the contracts and independent tax advice.