- Hokkaido
- Aomori
- Iwate
- Akita
- Fukushima
- Ibaraki
- Tochigi
- Gunma
- Saitama
- Chiba
- Tokyo
- Kanagawa
- Niigata
- Ishikawa
- Fukui
- Yamanashi
- Nagano
- Gifu
- Shizuoka
- Aichi
- Mie
- Shiga
- Kyoto
- Osaka
- Hyogo
- Nara
- Wakayama
- Okayama
- Hiroshima
- Yamaguchi
- Kagawa
- Ehime
- Kochi
- Fukuoka
- Kumamoto
- Oita
- Miyazaki
- Kagoshima
- Okinawa
- HOTEL MYSTAYS PREMIER Sapporo Park
- HOTEL MYSTAYS Sapporo Aspen
- HOTEL MYSTAYS Sapporo Station
- HOTEL MYSTAYS Sapporo Susukino
- HOTEL MYSTAYS Sapporo Nakajima Park
- HOTEL MYSTAYS Sapporo Nakajima Park Annex
- Hakodate Kokusai Hotel
- HOTEL MYSTAYS Hakodate Goryokaku
- FLEXSTAY INN Hakodate Station (HOTEL MYSTAYS Hakodate Station from July 18th, 2025)
- Hotel Sonia Otaru
- Hotel Nord Otaru
- ART HOTEL Asahikawa
- HOTEL MYSTAYS Nayoro
- ART HOTEL Aomori
- HOTEL MYSTAYS Aomori Station
- ART HOTEL Hirosaki City
- KAMENOI HOTEL AOMORI MAKADO
- ART HOTEL Morioka
- KAMENOI HOTEL ICHINOSEKI
- KAMENOI HOTEL AKITA YUZE
- Komagatake Grand Hotel
- Tazawako Lake Resort & Onsen
- KAMENOI HOTEL TAZAWAKO
- ART HOTEL Kashima Central (former : Kashima Central Hotel New wing)
- FLEXSTAY INN Kashima Central (former : Kashima Central Hotel Main building)
- KAMENOI HOTEL TSUKUBASAN
- KAMENOI HOTEL ITAKO
- KAMENOI HOTEL OARAI
- HOTEL MYSTAYS Utsunomiya
- KAMENOI HOTEL OKUNIKKO
- KAMENOI HOTEL NIKKO YUNISHIGAWA ALL-INCLUSIVE RESORT
- YOUFREE NASU-SHIOBARA (former : Shiobara Onsen Yashio Lodge)
- KAMENOI HOTEL SHIOBARA Dog Friendly Hotel
- KAMENOI HOTEL KITSUREGAWA
- Hotel Épinard Nasu
- Kusatsu Onsen Daitokan
- Kusatsu Onsen Hotel Resort
- KAMENOI HOTEL KUSATSU YUBATAKE
- KAMENOI HOTEL NAGATORO YORII
- HOTEL MYSTAYS Soga
- ART HOTEL Narita
- HOTEL MYSTAYS PREMIER Narita
- KAMENOI HOTEL KUJUKURI
- KAMENOI HOTEL KAMOGAWA
- MYSTAYS Shin Urayasu Conference Center
- HOTEL MYSTAYS Maihama
- FLEXSTAY INN Shin Urayasu
- Shirahama Ocean Resort
- HOTEL MYSTAYS Ochanomizu Conference Center
- HOTEL MYSTAYS Kanda
- HOTEL MYSTAYS PREMIER Akasaka
- HOTEL MYSTAYS PREMIER Hamamatsucho
- HOTEL MYSTAYS Hamamatsucho
- FLEXSTAY INN Shirogane
- HOTEL MYSTAYS Nishi Shinjuku
- HOTEL MYSTAYS Iidabashi
- HOTEL MYSTAYS Asakusabashi
- HOTEL MYSTAYS Ueno Iriyaguchi
- HOTEL MYSTAYS Ueno East
- HOTEL MYSTAYS Ueno Inaricho
- MyCUBE by MYSTAYS Asakusa Kuramae
- HOTEL MYSTAYS Asakusa
- HOTEL MYSTAYS Kameido
- HOTEL MYSTAYS Kiyosumi Shirakawa
- HOTEL MYSTAYS PREMIER Omori
- HOTEL MYSTAYS Gotanda Station
- HOTEL MYSTAYS Gotanda
- FLEXSTAY INN Shinagawa
- FLEXSTAY INN Nakanobu
- HOTEL MYSTAYS Kamata
- HOTEL MYSTAYS Haneda
- HOTEL MYSTAYS Higashi Ikebukuro
- FLEXSTAY INN Sugamo
- FLEXSTAY INN Higashi Jujo
- ART HOTEL Nippori Lungwood
- HOTEL MYSTAYS Nippori
- FLEXSTAY INN Tokiwadai
- FLEXSTAY INN Ekoda
- HOTEL MYSTAYS Tachikawa
- KAMENOI HOTEL OME
- HOTEL MYSTAYS Yokohama
- HOTEL MYSTAYS Yokohama Kannai
- FLEXSTAY INN Sakuragicho
- FLEXSTAY INN Kawasaki Ogawacho
- FLEXSTAY INN Kawasaki Kaizuka
- FLEXSTAY INN Tamagawa
- HOTEL MYSTAYS Atsugi
- ART HOTEL Niigata Station
- ART HOTEL Joetsu
- HOTEL MYSTAYS PREMIER Kanazawa
- HOTEL MYSTAYS Kanazawa Castle
- HOTEL MYSTAYS Kanazawa Katamachi
- KAMENOI HOTEL FUKUI
- HOTEL MYSTAYS Fuji Onsen Resort
- Yatsugatake Wanwan Dog Paradise Cottage
- Izumigo,Ambient Yatsugatake Cottage
- Kiyosato Kogen Hotel
- Wan's Resort Yamanakako
- Izumigo,Ambient Azumino
- Izumigo,Ambient Azumino Cottage
- Azumino Wanwan Dog Paradise Cottage
- Tateshina Grand Hotel Takinoyu
- Izumigo,Ambient Tateshina
- Tateshina Wanwan Dog Paradise Cottage
- Takayama Wanwan Dog Paradise Hotel & Cottage
- HOTEL MYSTAYS Shimizu
- Hotel New Akao
- KAMENOI HOTEL ATAMI
- KAMENOI HOTEL ATAMI ANNEX
- KAMENOI HOTEL IZUKOGEN
- KAMENOI HOTEL YAIZU
- Atagawa Ocean Resort
- Izumigo,Ambient Izu-Kogen Condominium
- Wan's Resort Jogasaki Kaigan
- Izu-Kogen Wanwan Dog Paradise Condominium
- Izu-Kogen Wanwan Dog Paradise Hotel & Cottage
- Hamanako Wanwan Dog Paradise Hotel
- HOTEL MYSTAYS Nagoya Sakae
- HOTEL MYSTAYS Nagoya Nishiki
- Irago Ocean Resort
- KAMENOI HOTEL CHITAMIHAMA
- KAMENOI HOTEL TOBA
- Izumigo Hotel Altia Toba
- Matsusaka Wanwan Dog Paradise Forest Hotel
- Toba Wanwan Dog Paradise Hotel
- KAMENOI HOTEL HIKONE
- HOTEL MYSTAYS Kyoto Shijo
- ART HOTEL Osaka Bay Tower
- HOTEL MYSTAYS PREMIER Dojima
- HOTEL MYSTAYS Otemae
- HOTEL MYSTAYS Sakaisuji Honmachi
- HOTEL MYSTAYS Shin Osaka Conference Center
- HOTEL MYSTAYS Shinsaibashi
- HOTEL MYSTAYS Midosuji Honmachi
- KAMENOI HOTEL TONDABAYASHI
- KAMENOI HOTEL ARIMA
- KAMENOI HOTEL AKO
- KAMENOI HOTEL AWAJISHIMA
- KAMENOI HOTEL NARA
- KAMENOI HOTEL YAMATO HEGURI
- KAMENOI HOTEL KII-TANABE
- KAMENOI HOTEL NACHI KATSUURA KUMANO KODO
- Nanki Shirahama Wanwan Dog Paradise Hotel
- HOTEL MYSTAYS Okayama
- HOTEL MYSTAYS Hiroshima Peace Park
- KAMENOI HOTEL SETOUCHI HIKARI
- KAMENOI HOTEL KANONJI
- HOTEL MYSTAYS Matsuyama
- KAMENOI HOTEL KOCHI
- KAMENOI HOTEL GENKAINADA
- ART HOTEL Kokura New Tagawa
- Suisui Garden Ryokan (Registered Tangible Cultural Property)
- HOTEL MYSTAYS Fukuoka Tenjin
- HOTEL MYSTAYS Fukuoka Tenjin Minami
- KAMENOI HOTEL YANAGAWA
- HOTEL MYSTAYS Kumamoto Riverside
- KAMENOI HOTEL ASO
- KAMENOI HOTEL ASO PARK RESORT (former : Hotel Aso no Tsukasa)
- ART HOTEL Oita
- HOTEL MYSTAYS Oita
- KAMENOI HOTEL BEPPU
- ART HOTEL Miyazaki Sky Tower
- HOTEL MYSTAYS Miyazaki
- Phoenix Seagaia Ocean Tower
- Seagaia Forest Condominiums (former : Luxze Hitotsuba)
- Seagaia Forest Cottages (former : Cottage Himuka)
- Kirishima Kokusai Hotel
- ART HOTEL Kagoshima
- HOTEL MYSTAYS Kagoshima Tenmonkan
- HOTEL MYSTAYS Kagoshima Tenmonkan Annex
- FUSAKI BEACH RESORT HOTEL & VILLAS
- ART HOTEL Ishigakijima
