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Ryokan

Natural Hot Spring Ryokan Kaikouzu

Tateyama City, Chiba, Japan
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Our main wing has been newly rebuilt! We've finally reopened after the 2019 typhoon. We look forward to serving you.

Guest review score

Excellent
Reviews: 72
4.6

Access

Tateyama Station
10 min drive
Kokonoe Station
20 min drive
Nakofunakata Station
21 min drive

Property facilities

  • Parking lot
  • Vending machine
  • Grand bath
  • Grand bath (hot spring)
  • Paid laundry

Explore our rooms and plans

Price (low to high)
3 room types
No smoking
139.5 ft²
Max 3 adults / 2 children
Room facilities
  • Internet available in room
  • Newly built bath
    Only 1 room left!
    Free cancellation until Jan 28
    No meal
    Price for:
    1 night
     | 
     | 
    $88.22
    Taxes & fees incl.
    Plan details

    [Room only]

    Free cancellation until 1/28/2026 11:59 a.m.(JST)

    $88.22
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Room only
    Cancellation policy
    Free cancellation deadline
    1/28/2026 11:59 a.m. (JST)
    2 day(s) before your stay (from 12:00) (JST)
    50%
    1 day(s) before your stay (from 12:00) (JST)
    75%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

  • Fuji on the Ocean
    Only 1 room left!
    Free cancellation until Jan 28
    Meal
    Breakfast
    Price for:
    1 night
     | 
     | 
    $126.04
    Taxes & fees incl.
    Plan details

    [Breakfast]

    Free cancellation until 1/28/2026 11:59 a.m.(JST)

    $126.04
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    Cancellation policy
    Free cancellation deadline
    1/28/2026 11:59 a.m. (JST)
    2 day(s) before your stay (from 12:00) (JST)
    50%
    1 day(s) before your stay (from 12:00) (JST)
    75%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

  • Fish 2
    Only 1 room left!
    Free cancellation until Jan 28
    Meal
    Breakfast
    Dinner
    Price for:
    1 night
     | 
     | 
    $189.06
    Taxes & fees incl.
    Plan details

    [Breakfast] [Dinner]

    Free cancellation until 1/28/2026 11:59 a.m.(JST)

    $189.06
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    1/28/2026 11:59 a.m. (JST)
    2 day(s) before your stay (from 12:00) (JST)
    50%
    1 day(s) before your stay (from 12:00) (JST)
    75%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Room details

Spaciously renovated [8 tatami] [Japanese room] [Non-smoking]

No smoking
139.5 ft²
Max 3 adults / 2 children
Room facilities
  • Internet available in room
Japanese-style room 10.5 tatami mats
No smoking
Ocean view
174.4 ft²
Max 4 adults / 3 children
Room facilities
  • Bath and toilet available
  • Internet available in room
  • Bidet toilet
  • Newly built bath
    Only 1 room left!
    Free cancellation until Jan 28
    No meal
    Price for:
    1 night
     | 
     | 
    $126.04
    Taxes & fees incl.
    Plan details

    [Room only]

    Free cancellation until 1/28/2026 11:59 a.m.(JST)

    $126.04
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Room only
    Cancellation policy
    Free cancellation deadline
    1/28/2026 11:59 a.m. (JST)
    2 day(s) before your stay (from 12:00) (JST)
    50%
    1 day(s) before your stay (from 12:00) (JST)
    75%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

  • Fuji on the Ocean
    Only 1 room left!
    Free cancellation until Jan 28
    Meal
    Breakfast
    Price for:
    1 night
     | 
     | 
    $163.85
    Taxes & fees incl.
    Plan details

    [Breakfast]

    Free cancellation until 1/28/2026 11:59 a.m.(JST)

    $163.85
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    Cancellation policy
    Free cancellation deadline
    1/28/2026 11:59 a.m. (JST)
    2 day(s) before your stay (from 12:00) (JST)
    50%
    1 day(s) before your stay (from 12:00) (JST)
    75%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

  • Fish 2
    Only 1 room left!
    Free cancellation until Jan 28
    Meal
    Breakfast
    Dinner
    Price for:
    1 night
     | 
     | 
    $226.87
    Taxes & fees incl.
    Plan details

    [Breakfast] [Dinner]

    Free cancellation until 1/28/2026 11:59 a.m.(JST)

    $226.87
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    1/28/2026 11:59 a.m. (JST)
    2 day(s) before your stay (from 12:00) (JST)
    50%
    1 day(s) before your stay (from 12:00) (JST)
    75%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Room details

Bathroom with a view of the sea from the terrace and window [10.5 tatami] [Japanese room] [Non-smoking] [Ocean view]

No smoking
Ocean view
174.4 ft²
Max 4 adults / 3 children
Room facilities
  • Bath and toilet available
  • Internet available in room
  • Bidet toilet
Annex Mermaid Bath
No smoking
Ocean view
484.4 ft²
Max 4 adults / 3 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Bidet toilet
  • Private cottage room
  • Two or more rooms
  • Open-air bath in room
  • sashimi
    Only 1 room left!
    Free cancellation until Jan 28
    Meal
    Breakfast
    Dinner
    Price for:
    1 night
     | 
     | 
    $403.32
    Taxes & fees incl.
    Plan details

    【Most Popular NO1】Room of the TV Champion Winner!Plump Lobster Platter Dish ~ Detached Mermaid Mansion ~ [Breakfast] [Dinner]

    Free cancellation until 1/28/2026 11:59 a.m.(JST)

    [Food] ~The taste of natural fish caught in Tateyama Bay~ Tateyama is a treasure trove of seafood! We serve fresh natural seafood, mainly local fish caught in fixed nets. Please enjoy the seafood piled high on the boat. [Rooms] ~Mermaid House Between the Sky and the Sea~ Won the 2006 TV Champion Carpenter Championship! The building is modeled after a ship. The spacious rooms are a living room and a bedroom. The warmth of the wood is more than enough to express the sky and sea. The open-air bath offers a spacious and luxurious view. There is also an indoor bath and a bedrock bath (not suitable in winter). You can also enjoy the beach right in front of you! Please take your time and relax. ~When making a reservation by phone~ Rakuten Travel Accommodation Reservation Center 050-5213-4754 (24 hours) Please tell the operator "Natural Hot Springs Mermaid's Bath Ryokan Umi Komame."

    $403.32
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    1/28/2026 11:59 a.m. (JST)
    2 day(s) before your stay (from 12:00) (JST)
    50%
    1 day(s) before your stay (from 12:00) (JST)
    75%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Room details

Detached Mermaid's Mansion [Japanese room] [Non-smoking] [Ocean view]

No smoking
Ocean view
484.4 ft²
Max 4 adults / 3 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Bidet toilet
  • Private cottage room
  • Two or more rooms
Open-air bath
  • Open-air bath in room