navigate to top page
  • Overview
  • Rooms & Plans
  • Reviews
  • Facilities
Ryokan

Hotel Nankaiso

Minamiboso City, Chiba, Japan
Show on map

The southernmost point of Minamiboso, offering panoramic views of the sea and the lighthouse from the rooms! Highly rated for our grilled seafood and seasonal vegetable buffet. Our dinner has a rating of 4.4 out of 5 stars from Rakuten travelers.

Guest review score

Very Good
Reviews: 78
4.2

Access

Chikura Station
26 min drive
Chitose Station
31 min drive
Tateyama Station
31 min drive

Property facilities

  • Parking lot
  • Spa / Beauty salon
  • Swimming pool
  • Bar
  • Midnight snack corner
  • Izakaya corner

Explore our rooms and plans

Price (low to high)
2 room types
[Non-smoking] Japanese-style room 12 tatami mats
No smoking
Ocean view
209.3 ft²
Max 6 adults / 5 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Bidet toilet
  • Walking course to Nojimazaki Lighthouse
    Only 8 rooms left!
    Free cancellation until Nov 23
    Meal
    Breakfast
    Dinner
    Rakuten Special OfferBonus Discount
    Price for:
    1 night
     | 
     | 
    $156.83
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    ★Self-serve and save★ Seafood grill, seasonal vegetable buffet, and all-you-can- [Breakfast] [Dinner]

    Free cancellation until 11/23/2025 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    Get a 500 yen discount off the standard plan adult price if you lay out the futon yourself in a Japanese-style room or Japanese-Western-style room! ●Dinner: Seafood Japanese-Western Buffet 3F Restaurant Hamayu: 18:00–20:00 (Last entry 19:00) ※ Dining times may vary or be split into two sessions (17:30– and 19:30–) depending on your stay date. ※ Dinner times will be informed at check-in. ※ Depending on seat availability, we may not be able to meet your request.Thank you for your understanding. ※Drinks (soft drinks and alcohol) are from a limited menu and are free-flow. ≪Dinner Buffet Menu≫ 1. Freshly grilled seafood like turban shells and scallops 2. Tempura freshly fried at the live cooking station! 3. Seafood bowls with all-you-can-add toppings and sushi of your choice 4. Local dish 'Namero' with fresh sashimi 5. Enjoy freshly cooked seasonal kamameshi at your table!(Excludes certain summer periods) 6. Salad made with freshly harvested vegetables directly from our farm or partner farms 7. All-you-can-eat desserts! ☆ Classic and popular Boso specialty: Sazae curry ☆ Nankaiso original pizza ●Breakfast Japanese-Western buffet 〇 3F Restaurant Hamayu 7:00–9:00 (Last entry at 8:30) Freshly baked croissants and fluffy omelets cooked right in front of you by our chefs. Fresh milk and yogurt from the birthplace of dairy farming, along with fresh vegetables from our farm. Enjoy handmade thick omelets by our chefs and homestyle side dishes prepared by the ladies—experience Nankaiso's morning hospitality to the fullest. * During busy times, you may be asked to wait.Thank you for your understanding. ● Regarding the input of the number of children ※ For children aged 3 and above but below elementary school age, please book with meals and futon included. ※ For children aged 1 to 2, please book without meals or futon. ※ No input is required for infants aged 0 years. ※ If adults have meals included, all children can enjoy the buffet. ● Special Notes ・If you will arrive after 6:00 PM, please be sure to contact the hotel. ・If you arrive after 8:00 PM, dinner may not be available.Thank you for your understanding. ・In addition to the accommodation fee, a bathing tax of 150 yen is required separately for adults (junior high school students and above). ・The use of electronic cigarettes is prohibited in non-smoking rooms.

    Rakuten Special OfferBonus Discount
    $156.83
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    11/23/2025 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    30%
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    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

《With Issues》[12 tatami] [Economy] [Japanese room] [Non-smoking] [Ocean view]

No smoking
Ocean view
209.3 ft²
Max 6 adults / 5 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Bidet toilet
Japanese-style room (10 tatami mats)
No smoking
Ocean view
174.4 ft²
Max 5 adults / 4 children
Room facilities
  • Bath and toilet available
  • Internet available in room
  • Bidet toilet
  • Walking course to Nojimazaki Lighthouse
    Only 5 rooms left!
    Free cancellation until Nov 23
    Meal
    Breakfast
    Dinner
    Rakuten Special OfferBonus Discount
    Price for:
    1 night
     | 
     | 
    $172.51
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    ★Self-serve and save★ Seafood grill, seasonal vegetable buffet, and all-you-can- [Breakfast] [Dinner]

    Free cancellation until 11/23/2025 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    Get a 500 yen discount off the standard plan adult price if you lay out the futon yourself in a Japanese-style room or Japanese-Western-style room! ●Dinner: Seafood Japanese-Western Buffet 3F Restaurant Hamayu: 18:00–20:00 (Last entry 19:00) ※ Dining times may vary or be split into two sessions (17:30– and 19:30–) depending on your stay date. ※ Dinner times will be informed at check-in. ※ Depending on seat availability, we may not be able to meet your request.Thank you for your understanding. ※Drinks (soft drinks and alcohol) are from a limited menu and are free-flow. ≪Dinner Buffet Menu≫ 1. Freshly grilled seafood like turban shells and scallops 2. Tempura freshly fried at the live cooking station! 3. Seafood bowls with all-you-can-add toppings and sushi of your choice 4. Local dish 'Namero' with fresh sashimi 5. Enjoy freshly cooked seasonal kamameshi at your table!(Excludes certain summer periods) 6. Salad made with freshly harvested vegetables directly from our farm or partner farms 7. All-you-can-eat desserts! ☆ Classic and popular Boso specialty: Sazae curry ☆ Nankaiso original pizza ●Breakfast Japanese-Western buffet 〇 3F Restaurant Hamayu 7:00–9:00 (Last entry at 8:30) Freshly baked croissants and fluffy omelets cooked right in front of you by our chefs. Fresh milk and yogurt from the birthplace of dairy farming, along with fresh vegetables from our farm. Enjoy handmade thick omelets by our chefs and homestyle side dishes prepared by the ladies—experience Nankaiso's morning hospitality to the fullest. * During busy times, you may be asked to wait.Thank you for your understanding. ● Regarding the input of the number of children ※ For children aged 3 and above but below elementary school age, please book with meals and futon included. ※ For children aged 1 to 2, please book without meals or futon. ※ No input is required for infants aged 0 years. ※ If adults have meals included, all children can enjoy the buffet. ● Special Notes ・If you will arrive after 6:00 PM, please be sure to contact the hotel. ・If you arrive after 8:00 PM, dinner may not be available.Thank you for your understanding. ・In addition to the accommodation fee, a bathing tax of 150 yen is required separately for adults (junior high school students and above). ・The use of electronic cigarettes is prohibited in non-smoking rooms.

    Rakuten Special OfferBonus Discount
    $172.51
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    11/23/2025 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    30%
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    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

【Non-smoking】Japanese-style room with 10 tatami mats (with bath and toilet) [Standard] [Japanese room] [Non-smoking] [Ocean view]

No smoking
Ocean view
174.4 ft²
Max 5 adults / 4 children
Room facilities
  • Bath and toilet available
  • Internet available in room
  • Bidet toilet