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Ryokan Kaikouzu
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Ryokans in Chiba

Ryokan Kaikouzu

天然温泉 人魚の湯 旅館 海紅豆

Chiba onsen ryokan — Where the Sea Becomes the Garden, an Onsen Ryokan by the Waves

★ 3.0|Tateyama
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PHOTOS

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ABOUT

About this ryokan

🌊Where the Sea Becomes the Garden, an Onsen Ryokan by the Waves

Chiba · Ryokan Kaikouzu

Natural Hot Spring 'Mermaid's Bath'
1

Natural Hot Spring 'Mermaid's Bath'

  • ♨️The skin-gentle natural hot spring 'Ningyo no Yu' (Mermaid's Bath) gently melts away travel fatigue
  • 🛁Separate large baths for men and women let you soak at an unhurried pace
  • 🌊Soak while facing Tokyo Bay (Tateyama Bay), visible from nearly anywhere on the property
Ocean-View Rooms Embracing the Sea
2

Ocean-View Rooms Embracing the Sea

  • 🏯Nine rooms in all, including the detached villa, with a modern Japanese mood scented by tatami and wood
  • 🌅The 'Ocean View Japanese Room' and 'Ocean View Japanese-Western Room' look out on Mount Fuji straight ahead and Okinoshima Island to the right
  • 🪟A beautiful view of Tokyo Bay unfolds through the room windows
Detached Villa 'Ningyo no Kan' with a Private Open-Air Bath
3

Detached Villa 'Ningyo no Kan' with a Private Open-Air Bath

  • 🛖Surrounded by sky and sea, the detached villa 'Ningyo no Kan' (Mermaid's Hall) has a living room and two bedrooms
  • ♨️Enjoy an uninterrupted, private soak in the villa's own open-air bath
  • ✨Spend a special night in a spacious space shaped by artisan craftsmanship
Seasonal Seafood from Minami-Boso and Tateyama
4

Seasonal Seafood from Minami-Boso and Tateyama

  • 🐟Wholesome, nature-forward cooking generously featuring wild local fish from Tateyama Bay
  • 🥬Built around local organic vegetables, offering the four seasons' flavors of Minami-Boso and Tateyama
  • 🍶Dinner is a carefully prepared course centered on fresh, seasonal seafood
Signature Funamori and Dining Room
5

Signature Funamori and Dining Room

  • 🚢'Funamori,' served in a boat-shaped vessel, delivers the sea's bounty exactly as it is
  • 🦞A house specialty showcasing Tateyama Bay's freshest shellfish and seafood, generously served
  • 🍽Savor the meal at leisure in a dedicated dining room
A Foot Bath Overlooking Tokyo Bay
6

A Foot Bath Overlooking Tokyo Bay

  • ♨️Rest with the sea breeze at a foot bath that takes in the whole of Tokyo Bay
  • 🌅A sunset rising over open water and the sight of Mount Fuji wrap travelers in gentle scenery
  • 🌊Step out of the garden and you're on the beach, close enough to hear the waves
An Adjoining Auto-Campground
7

An Adjoining Auto-Campground

  • ⛺Guests can also use the adjoining auto-campground (36 sites, with a clubhouse)
  • 🎣A base for marine activities like swimming, fishing, windsurfing, and diving
  • 👨‍👩‍👧Especially popular with families, thanks to the nature-filled setting
Location and Access
8

Location and Access

  • 📍In Tateyama, Chiba — the seaside resort closest to central Tokyo, and easy to reach
  • 🚃About 5–7 minutes by car from Tateyama Station on the JR Uchibo Line, a convenient base for exploring Minami-Boso
  • 🌸Great for enjoying Minami-Boso's rich nature nearby, including the Flower Park
Detached Villa 'Ningyo no Kan' with a Private Open-Air Bath
3

Detached Villa 'Ningyo no Kan' with a Private Open-Air Bath

  • 🛖Surrounded by sky and sea, the detached villa 'Ningyo no Kan' (Mermaid's Hall) has a living room and two bedrooms
  • ♨️Enjoy an uninterrupted, private soak in the villa's own open-air bath
  • ✨Spend a special night in a spacious space shaped by artisan craftsmanship
Seasonal Seafood from Minami-Boso and Tateyama
4

Seasonal Seafood from Minami-Boso and Tateyama

  • 🐟Wholesome, nature-forward cooking generously featuring wild local fish from Tateyama Bay
  • 🥬Built around local organic vegetables, offering the four seasons' flavors of Minami-Boso and Tateyama
  • 🍶Dinner is a carefully prepared course centered on fresh, seasonal seafood

Step out of the garden and you're at the sea — soak in the natural hot spring 'Mermaid's Bath' to the sound of the waves. Fresh seafood from Tateyama Bay and a detached villa with its own open-air bath make a night in Minami-Boso truly special. Spend a quiet, unhurried time at the seaside resort closest to central Tokyo.

#TateyamaOnsen#MermaidsBath#RyokanKaikouzu#MinamiBosoTrip#OceanViewRyokan#OpenAirBathVilla#FunamoriCuisine#TokyoBayView

✨ Ask AI about this property

AI searches Ryokan Kaikouzu's official website to answer. AI can be inaccurate, so please check the original page or the property before booking.

Read the property's own description▾

숙소 소개 내추럴 핫 스프링 료칸 가이코즈는 다테야마에 있으며, JR 다테야마역에서 차로 약 7분 거리로 다테야마 온천과 다테야마 패밀리 파크 근처입니다. 숙박 중 유카타를 입으실 수 있습니다. 시설로는 대욕장과 바비큐 구역이 있습니다. 객실은 14개입니다. 찾아가는 길 JR 우치보선 다테야마역에서 JR 버스로 15분, 택시로 5~7분.

* Translated from the description supplied by the property.

* This introduction was compiled from information published by each property (official website and similar sources), so some details may differ from what you find on the day. It is AI-assisted and can contain errors — please check the official website and the details shown at booking before you reserve.

ROOMS

Available rooms

POLICY

Good to know

체크인·체크아웃 · 체크인: 15:00 · 체크아웃: 10:00 · 최종 체크인: 22:00

* Translated from information supplied by the property; the cancellation policy shown at booking takes precedence.

GUIDE

New to ryokans?

From onsen etiquette to check-in — the things worth knowing first.

♨️ Onsen bathing etiquette🩹 Onsen with tattoos?✅ First-timer checklistAll guides →

FAQ

Frequently asked questions

What are the check-in and check-out times at Ryokan Kaikouzu?
Check-in starts at 15:00 and check-out is by 10:00.
Where is Ryokan Kaikouzu located?
It is in Chiba Tateyama. Address: 85-1 Oka, Tateyama-shi, Chiba.
What is the cancellation and refund policy?
Free-cancellation deadlines vary by rate plan and are shown with each room. Cancelling before the deadline gives a full refund.

Check-in / Check-out

Check-in

15:00

From 15:00

Check-out

10:00

Until 10:00

✨ Ask AI about this property

AI searches Ryokan Kaikouzu's official website to answer. AI can be inaccurate, so please check the original page or the property before booking.

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Company: Diplat Laps Co., Ltd.
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