Benten Cave (Japan) 3-11-2 Hase, Kamakura 248-0016 Kanagawa Prefecture
Omuro Cave (Japan) Narusawamura Ichien, Narusawa-mura, Minamitsuru-gun 401-0320 Yamanashi Prefecture
Hoshino Cave (Japan) Ikenosawa, Minamidaito-son, Shimajiri-gun 901-3806 Okinawa Prefecture
Okinawa World Culture Kingdom Gyokusendo (Japan) 1336 Tamagusuku Maekawa, Nanjo 901-0616 Okinawa Prefecture
Chikuranoiwaya Cave (Japan) Hirayama Hirota, Minamitane-cho, Kumage-gun 891-3702 Kagoshima Prefecture
Shippoji Nugama (Japan) Maaji, Naha 902-0072 Okinawa Prefecture
Kyusendo Limestone Cave (Japan) 1122 Ose Hirano, Kuma-mura, Kuma-gun 869-6205 Kumamoto Prefecture
Mitsugo Limestone Cave (Japan) 1075 Yozawa, Akiruno 190-0171 Tokyo Prefecture
Kasayama Wind Cave (Japan) Koshigahama, Chinto, Hagi 758-0011 Yamaguchi Prefecture
Nabeta Yokoana Gun (Japan) 2194-2, Nabeta, Yamaga Kumamoto Prefecture
Iwaharayokoanagun (Japan) Kaomachi Iwabaru Above Sakura, Yamaga 861-0561 Kumamoto Prefecture
Fujido Cave (Japan) 665 Kawawa, Ueno-mura, Tano-gun 370-1614 Gunma Prefecture
Ishigaki Island Limestone Cave (Japan) 1666 Ishigaki, Ishigaki 907-0023 Okinawa Prefecture
Ibaruma Sabichi Cave (Japan) 185-44 Ibaruma, Ishigaki 907-0332 Okinawa Prefecture
Ishigaki-jima Blue Grotto (Japan) 527 Fukai, Ishigaki 907-0451 Okinawa Prefecture
Ioki Cave (Japan) 117 Ioki, Aki 784-0045 Kochi Prefecture
Nippara Limestone Caves (Japan) 1052 Nippara, Okutama-machi, Nishitama-gun 198-0211 Tokyo Prefecture
Sandanbeki Cave (Japan) 2927-52, Shirahama-cho, Nishimuro-gun 649-2211 Wakayama Prefecture
Sembutsu Limestone Cave (Japan) 3-2-1 Hiraodai, Kokuraminami-ku, Kitakyushu 803-0180 Fukuoka Prefecture
Ryugashido Cavern (Japan) 193 Inasacho Tabatake, Kita-ku, Hamamatsu 431-2221 Shizuoka Prefecture