| Grandome Chiba Futtsu Chiba · Futtsu | Kanto | — | Seasonal | Large dome glamping resort (20 units). Three outdoor villa types include private terrace pools plus in-villa natural kuro-onsen (black spring) and barrel sauna. Dome tents are separate; book a pool villa for private swimming. | Compare & book |
| Seaside Terrace Chiba Kamogawa Chiba · Kamogawa | Kanto | — | Seasonal | Oceanfront glamping with dome tents plus resort villas that include private pool, Kamogawa natural onsen indoors, and private sauna. Pool is villa-focused for private use. | Compare & book |
| Tsurigasaki Glamping Resort Chiba · Ichinomiya | Kanto | — | Seasonal | Hilltop glamping overlooking Tsurigasaki surfing coast. Shared heart-shaped outdoor pool on the terrace with poolside saunas — resort-style pool for guests, not per-cabin private pools. | Compare & book |
| Lux Hakone Yumoto Kanagawa · Hakone | Kanto | — | Seasonal | Two exclusive private villas only. Each has its own private outdoor pool and sauna plus private onsen/rotemburo. Pool heated roughly late April–end of October (2026 season announced); off-season usable as cold plunge after sauna. | Compare & book |
| Chichibu Bettei Komura Saitama · Chichibu | Kanto | — | Seasonal | Forest private resort villas. Signature/Luxury suites include private outdoor pool (shallow zone for kids) and private sauna; dog suites emphasize dog run (dog pool seasonal) rather than guest swim pool. | Compare & book |
| Bettei Shiki Nasu Tochigi · Nasu | Kanto | — | Yes | Four limited private villas in Nasu Highlands. Every villa has private outdoor pool, private outdoor onsen, and private sauna. Pool is cold water — summer swimming / year-round sauna cool-down (officially not heated). | Compare & book |
| SISU Sauna & Glamping Resort Ibaraki · Hokota | Kanto | — | Seasonal | Dome-tent glamping with Finnish-style barrel sauna and outdoor pool for cool-down. Official day-flow describes summer open pool; winter jacuzzi emphasis. Shared guest amenities rather than per-tent private pools. | Compare & book |
| Private Villa Glamping Fuji Yamanakako Yamanashi · Yamanakako | Chubu | — | Seasonal | Seven high-spec units (villa + large dome) at Lake Yamanaka. Official: every unit has private outdoor pool, in-room onsen, barrel sauna, and fire pit — rare all-in-one private glamping kit with Mt. Fuji views. | Compare & book |
| KANOA THE VILLAS Fuji Yamanakako Yamanashi · Yamanakako | Chubu | — | Seasonal | Private villa & glamping resort at Yamanakako (2025 open). Each villa has private outdoor pool (shallow kid zone), in-room natural onsen, and private sauna with Fuji views. | Compare & book |
| BLUE EDEN Vacation Villa & Glamping Shizuoka · Izu | Chubu | — | Seasonal | Izu villa & glamping property with tropical-planted outdoor pool area for overnight guests only. Official pool page: summer-limited (typically Jul 1–Sep 30; weather dependent). | Compare & book |
| Private Villa Glamping Awaji Hyogo · Awaji | Kansai | — | Seasonal | Awaji Island hillside resort with villa and dome types. Ocean-view private pools on villa buildings only; all units have in-room onsen. Domes do not include private pools. | Compare & book |
| Private Villa Awaji THE SUITE Hyogo · Awaji | Kansai | — | Seasonal | Whole-villa rentals near Akashi Kaikyo Bridge views. Every unit has a private outdoor pool about 7m×3m×1m deep plus in-room natural onsen and BBQ terrace. Official: not heated; pool until 21:00. | Compare & book |
| Breeze Garden Awaji Hyogo · Awaji | Kansai | — | Seasonal | West-coast Awaji glamping & villa resort (few groups/day). Sunset Villa is the one private-pool villa with ocean sunset terrace; dome tents have private outdoor baths but not private pools. | Compare & book |
| Private Villa AWAJI J Island Hyogo · Awaji | Kansai | — | Seasonal | Single exclusive large private villa on Awaji (Hokutan area). Courtyard garden with large private outdoor pool and dedicated guest sauna; up to about 8 guests with Akashi Kaikyo Bridge views. | Compare & book |
| Haimurubushi Oceanfront Pool Villa Okinawa · Kohama Island | Okinawa | — | Yes | Resort hotel villas on Kohama Island with ~12㎡ private terrace pools overlooking Iriomote. Official: temperature-controlled (cool/warm) for year-round use. New Oceanfront Pool Villas open 15 Jul 2026 (bookings already on official site). | Compare & book |
| COCO VILLA Okinawa Nakijin Okinawa · Nakijin | Okinawa | — | Yes | Whole-house private villa on a hill overlooking the East China Sea. Private outdoor pool with seamless sauna-to-pool flow (HARVIA electric sauna + cold plunge). Self-catering / BBQ style stay. | Compare & book |