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Kids Stay
From about US$135/ per night (2 adults, ¥21,296)

Reference price as of October 9, 2026 (stay 2026-10-31). US$ is an approximate conversion from yen. Check the booking site for actual rates.

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forumWhat families say

Rakuten Travel rating 3.82 out of 5 (1,403 reviews). Guests praise the value of the all-you-can-eat buffet of seasonal dishes combined with all-you-can-drink alcohol, the open-air bath with its tropical atmosphere, and the private-hire open-air bath, which some plans include at no charge. The hotel itself states that it is very well liked by families traveling with children, and it is valued for affordable family trips.

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Kids Facilities

Summer-only outdoor pool (with a pool for children under school age)

Outdoor
  • calendar_monthSeason:Summer only

The outdoor pool opens in summer only and includes a pool for children under school age. Hours are 8:30 a.m. to 10:30 a.m. and 2 p.m. to 5 p.m. Swimsuits and bath towels are not available to borrow, so please bring your own.

Private-hire open-air bath

Outdoor

A private-hire open-air bath with an exotic feel, decorated with precious stones and sago palms. It costs 1,000 yen per group for 45 minutes including tax, and you can reserve it at the front desk after you arrive. Since children aged 7 and over are asked to refrain from mixed-gender bathing in the onsen communal bath, this is somewhere the whole family can bathe together.

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Overview

Shirahama Nangoku Hotel is a hot-spring hotel at Shirahama Onsen in Minamiboso, Chiba, looking out over the Pacific. Its 103 rooms, made up of Japanese-style tatami rooms, Japanese-Western rooms and Western-style rooms, suit a wide range of stays with family or friends. Dinner is a Japanese, Western and Chinese buffet that comes with all-you-can-drink alcoholic and soft drinks, and breakfast is buffet-style as well. Alongside the onsen communal bath and open-air bath there is also a private-hire open-air bath, and in summer guests can use an outdoor pool that includes a pool for children under school age. The hotel is particularly well liked by families traveling with children.

Rooms

The hotel has 103 guest rooms in all: Japanese-style tatami rooms, Japanese-Western rooms and Western-style rooms. On the ocean side, ocean-view Japanese-style tatami rooms of 10 to 12.5 tatami mats and two-room ocean-view Japanese-style tatami rooms of 10 plus 4.5 tatami mats look out over the Pacific. The largest room is an ocean-view Japanese-Western room combining a 12-tatami Japanese-style room, a 6-tatami Japanese-style room and a Western-style twin room, and it takes 1 to 6 guests. There are also Japanese-style tatami rooms on the mountain side and on the lower floors, plus a 7.5-tatami Japanese-style room with no bath of its own, where guests use the communal bath. Some rooms in the annex look out over the parking area or the garden, or have no view; none of them are served by an elevator, so reaching them means taking the stairs.

Dining

Dinner is a Japanese, Western and Chinese buffet, with a dining time of 90 minutes. Breakfast is also buffet-style, with a dining time of 60 minutes. Alcoholic drinks are all-you-can-drink at dinner, and soft drinks are free at both breakfast and dinner. You can also order a la carte extras such as domestic wagyu steak and abalone grilled in butter.

Baths and Onsen

The hot spring gushes from the hotel's own source, a rarity in the Boso area, and because the water is a metasilicic acid chloride spring it warms you from the core. Besides the onsen communal bath and the sauna, the open-air bath attached to the communal bath is fed by the hot spring as well. There is also a private-hire open-air bath decorated with precious stones and sago palms, at 1,000 yen per group for 45 minutes including tax, which you can reserve at the front desk. The private-hire open-air bath is not an onsen, however; its water is heated. Children aged 7 and over are also asked to refrain from mixed-gender bathing.

Family-Friendly Features

The hotel is especially well liked by families traveling with children and by senior guests. In summer there is an outdoor pool with a pool for children under school age, and there is a children's pool too, so families can enjoy it with peace of mind. Since children aged 7 and over are asked to refrain from mixed-gender bathing in the onsen communal bath, the private-hire open-air bath, which carries a fee, is an option for a parent who wants to bathe together with a child of a different gender.

Access

The hotel sits at Minamiboso's Shirahama Onsen, just 2 hours by car from central Tokyo. It is about 40 minutes by bus from JR Tateyama Station; get off at the Awa-Shirahama bus stop and the hotel is right in front of you, a 2-minute walk away. Parking for 103 cars is free and available on a first-come, first-served basis.

Access & Information

location_onAddress2544-1 Shirahama, Shirahama-cho, Minamiboso, Chiba 295-0102
directions_carAccessAbout 40 minutes by bus from JR Tateyama Station. Get off at the Awa-Shirahama bus stop and the hotel is right in front of you, a 2-minute walk away.
trainNearest stationTateyama Station
local_parkingParkingParking is available for 103 cars, free of charge, on a first-come, first-served basis.
callPhone+81-470-38-5759
paymentsCardsVISA, JCB, American Express, Diners Club, Mastercard
languageOfficial sitehttps://www.itoenhotel.com/nangoku/open_in_new

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From about US$135/ per night (2 adults, ¥21,296)

Reference price as of October 9, 2026 (stay 2026-10-31). US$ is an approximate conversion from yen. Check the booking site for actual rates.

Check rates & availability

Opens the booking site in a new tab.

Per night, 2 adultsUS$135+As of October 9, 2026
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Frequently Asked Questions

What ages is Shirahama Nangoku Hotel best suited to?

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It has facilities that work especially well for babies and toddlers (ages 0 to 2) and children aged 3 and over. There is no age limit, and families with children of any age can stay.

Is there parking at Shirahama Nangoku Hotel?

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Parking: Parking is available for 103 cars, free of charge, on a first-come, first-served basis.

How do you get to Shirahama Nangoku Hotel?

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About 40 minutes by bus from JR Tateyama Station. Get off at the Awa-Shirahama bus stop and the hotel is right in front of you, a 2-minute walk away.

Are the rooms easy to stay in with children?

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The rooms are mainly Japanese-style tatami rooms, and the hotel is very well liked by families traveling with children.

Is there a game corner where children can play?

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A varied selection of games that everyone from children to adults can enjoy is provided.

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Guests

Information on this page was compiled by directly consulting Official website, Rakuten Travel, Jalan (last verified: August 2026). Prices, availability and seasonal operations change. Please check each booking site for the latest information.

We take care to keep information accurate, but always confirm the latest details on the hotel's official site and booking sites before you book or visit.

For the people who run this property: corrections and updates go through For Hotels & Partners, and the "Listed on Kids Stay" badge for your website is on Listing badge. Both are free.