Private Villas with Onsen Baths(105)

Zao · Miyagi

たびの邸宅 悠-haruka-(宮城蔵王)

• In-room onsen
• Sauna
• BBQ

A 138 sqm whole-house rental in the Zao Green Village holiday-home area. Hot-spring water fills a well-appointed tub, and there is a projector room upstairs. The sauna requires booking a dedicated plan.

2 bd

Guests

Up to 8

Price from

JPY 40,000-55,000 / night≈ ¥5,000–6,900 / guest

Niseko · Hokkaido

TAIGA(タイガ)ニセコ

• In-room onsen
• Jacuzzi
• BBQ

A collection of luxury whole-house rentals in Niseko run by Taiga Projects. More than twenty are scattered across Hirafu, Kabayama, Moiwa and beyond, ranging from six to eighteen guests and three to seven bedrooms.

Guests

Up to 16

Price from

See official site

Nasu Highlands · Tochigi

COCO VILLA 那須高原

• Sauna
• In-room onsen
• Open-air bath
• BBQ

A single-storey villa with a loft on the Nasu highlands. Its glass-walled sauna runs on a Harvia electric heater, and the cooling-off space and an open-air bath facing the Nasu range are steps away. Sleeps twelve.

3 bd

Guests

Up to 12

Price from

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Okutama · Tokyo

THEATER1(シアターワン)檜原村

• Sauna
• BBQ
• Open-air bath

A villa letting 5,000 tsubo of forest at 600 m in Hinohara Village. Alongside an open-air wood-fired bath, an outdoor sauna and a fire pit, it has a 100-inch 4K projector and 7.1-channel theatre sound.

Guests

Up to 6

Price from

From JPY 52,000 / night≈ From ¥8,700 / guest

Fuji Five Lakes · Yamanashi

プライベートヴィラグランピング富士山中湖

• Pool
• Sauna
• BBQ
• In-room onsen

Seven glamping units at Lake Yamanaka. Every one has a private pool, hot-spring bath, barrel sauna and fire pit; the villa type is a two-bedroom, the tent type a seven-metre dome.

1 ba

Guests

Up to 6

Price from

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Tokushima · Tokushima

星降る別邸WANASA(わなさ)

• Ocean view
• Villa resort
• Open-air bath

Just two villas on high ground overlooking Mizutoko Bay at Shishikui in Tokushima. You look out at the sea from an outdoor bath, and at night the stars come out. Breakfast is bread baked by an affiliated bakery.

Guests

Up to 4

Price from

From JPY 58,000 / night≈ From ¥14,500 / guest

Lake Biwa · Shiga

ドッグリゾート湖都-大津

• Villa resort
• Open-air bath
• Sauna
• BBQ

A villa resort in Lake Biwa. Sleeps up to 10 guests, 3 bedrooms. With an open-air bath, a sauna, BBQ. Pet-friendly.

3 bd

Guests

Up to 10

Price from

See official site

Mt. Aso · Kumamoto

ACONCAGUA RESORTS

• Villa resort
• Onsen
• In-room onsen
• Pool

A villa resort in Mt. Aso. With an in-room onsen, an open-air bath, onsen bathing.

Guests

TBC

Price from

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Shimoda · Shizuoka

伊豆下田 Aquaholic Iritahama(アクアホーリック入田浜)

• Ocean view
• Villa resort
• Pool
• Jacuzzi

The only villa standing on Iritahama in Shimoda, a beach known for its water quality. Each of the two houses has three bedrooms and a wooden deck of over 70 sqm, with an infinity pool that runs toward the sea and an open-air goemon bath.

3 bd

Guests

Up to 6

Price from

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Fuji Five Lakes · Yamanashi

AWAUMI富士河口湖リゾート

• Pool
• Sauna
• BBQ
• In-room onsen

A resort of sixteen units arranged around a pool that echoes the shoreline of Lake Kawaguchi. Every unit has its own natural hot-spring bath and private sauna, and the dog villas set no limit on breed or weight.

Guests

Up to 5

Price from

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Kyotango · Kyoto

京・Tango Resort sea side villa umiharuka(海遥)

• Ocean view
• In-room onsen
• Sauna
• BBQ

A whole-house villa on the shore at Taiza in Kyotango, opened in November 2024. It has baths of undiluted Kyotango hot-spring water, a sauna for two, and a dining table with a smokeless roaster built in.

4 bd

Guests

Up to 10

Price from

See official site

Hakone · Kanagawa

エンゼルグランヴィラ箱根

• Villa resort
• In-room onsen
• Open-air bath

Eight whole-house villas on the heights of Moto-Hakone overlooking Lake Ashi. Built in traditional Japanese style, every unit has both an indoor and an open-air hot-spring bath, drawing an 80.1C simple hydrogen sulphide spring served at 42C.

Guests

Up to 4

Price from

From JPY 72,000 / night≈ From ¥18,000 / guest

Hakone · Kanagawa

ASNOVA RESORT / FOLQ HAKONE GORA(フォルク箱根強羅)

• Villa resort
• In-room onsen
• Sauna
• Pool

A two-groups-per-day villa in Gora, Hakone. Each 110 sqm one-bedroom suite has an indoor bath running undiluted milky spring water from Owakudani and a self-loyly sauna, plus a 200 sqm lead-free dog run and a private heated pool open year-round.

1 bd

Guests

Up to 4

Price from

See official site

Kujukuri · Chiba

匝瑳 NAGARAMI RESORT SOSA

• Villa resort
• In-room onsen
• Sauna
• Pool

A dog villa in Sosa where the black hot-spring water is enjoyed indoors and outdoors, with a private dog run and pool. The sauna is the only place dogs may not go. Sleeps six.

Guests

Up to 6

Price from

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Amanohashidate · Kyoto

Villa NIGIN(ヴィラ ニギン)天橋立

• Ocean view
• Villa resort
• Pool
• Sauna

Four whole-house villas along the Amanohashidate canal, opened in April 2025 and limited to four groups a day. Single-storey and two-storey types all come with a sauna, a pool and an open-air bath, plus a 24-hour gym for guests.

2 bd

Guests

Up to 4

Price from

See official site

Amanohashidate · Kyoto

Auberge Villa KUON(久遠)天橋立

• Ocean view
• Pool
• In-room onsen
• BBQ

A one-group-per-day villa overlooking Miyazu Bay. Two natural hot springs, gold and silver, sit on the upper floor, joined in 2026 by a ThermoWood sauna and a steam sauna running on silver-spring vapour.

Guests

Up to 8

Price from

See official site

Kita-Karuizawa · Gunma

あさま空山望

• Villa resort
• Shared onsen
• BBQ
• Sauna

A villa resort on vast grounds in Kita-Karuizawa facing Mt. Asama, three villa types with an on-site restaurant and natural hot-spring spa. Dog-friendly villas available.

Guests

Up to 8

Price from

See official site

Fuji Five Lakes · Yamanashi

KANOA THE VILLAS 富士山中湖

• Pool
• Sauna
• BBQ
• In-room onsen

A whole-house villa at Lake Yamanaka with Mount Fuji in view, opened in July 2025. Every unit exceeds 100 sqm, with hot-spring water piped to the room, a private pool, and a sauna and cold bath beside it.

Guests

Up to 6

Price from

From JPY 45,000 / person≈ From ¥270,000 / night (whole villa)

Lake Tazawa · Akita

貸別荘 山荘イーグル(田沢湖)

• In-room onsen
• Open-air bath
• BBQ

A one-group-per-day whole-house lodging near Lake Tazawa. It has a free-flowing open-air hot spring and a sunken hearth, and everything but the food is already there, so a self-catering stay needs only a booking.

Guests

Up to 15

Price from

JPY 20,000-28,000 / person≈ ¥300,000–420,000 / night (whole villa)

Kusatsu Onsen · Gunma

草津温泉付き貸別荘 永田屋 昭和館

• In-room onsen

A four-bedroom rental house at Kusatsu Onsen with the Watanoyu source piped into the room, a spring drawn by only a handful of inns. One tatami room downstairs and three upstairs.

4 bd1 ba

Guests

Up to 6

Price from

See official site

Nasu Highlands · Tochigi

ラグジュアリーヴィラ 別邸四季

• Villa resort
• Pool
• Open-air bath
• Sauna

A four-villa retreat opened in May 2025 on the Nasu highlands, each unit with a hot-spring open-air bath, private sauna and pool across some 200 square metres.

2 bd

Guests

Up to 8

Price from

See official site

Kochi · Kochi

リヴィラスパークUSA

• Villa resort
• Sauna
• Onsen
• Jacuzzi

Four whole-rental houses a day at Usa in Tosa City, some by the sea and some against the hills, with free use of the strong, hot chloride spring at the neighbouring inn Sanyoso and a tent sauna booked in 90-minute slots.

Guests

Up to 5

Price from

See official site

Amakusa · Kumamoto

貸別荘 ヴィガン・オーシャンヴィラ

• Ocean view
• Sauna
• In-room onsen
• Open-air bath

An orange two-storey villa on a cape in Kamiamakusa, its Provence-styled rooms looking over the Ariake Sea, with a balcony open-air bath, a fire pit and a BBQ terrace.

Guests

Up to 5

Price from

JPY 46,000-59,000 / night≈ ¥9,200–11,800 / guest

Azumino · Nagano

三角屋根の貸別荘 Villa Yoshino(安曇野)

• In-room onsen
• Open-air bath
• BBQ

Gable-roofed rental houses in the forest at Ariake in Azumino. Four houses across three types each have a private bath fed straight from a North Alps source, and every terrace has a built-in BBQ grill.

Guests

Up to 6

Price from

From JPY 26,400 / night≈ From ¥4,400 / guest