Nanki Shirahama Marriott Hotel
Reference price as of October 13, 2026 (stay 2026-11-07). US$ is an approximate conversion from yen. Check the booking site for actual rates.
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forumWhat families say
Families praise the five private-hire baths and the top-floor communal onsen bath, along with the summer outdoor pool for staying guests and its 57 cm-deep children's zone. They also value the layout that brings the playroom, baby room and nursing room together on the 4th floor, and the Marriott Welcome Baby Plan, limited to 5 rooms a day.
Kids Facilities
4th-floor playroom, baby room and nursing room
4th-floor playroom, baby room and nursing room
The spaces for families with children are all gathered on the 4th floor of the hotel: a playroom with picture books, educational toys and a drawing area (8 a.m. to 9 p.m.), a baby room with a microwave, a nursing room open 24 hours, and a diaper-changing space.
- •The playroom is open from 8 a.m. to 9 p.m.; the nursing room is open 24 hours
- •The diaper-changing space is on the 4th floor
- •The baby room has a microwave, for warming baby food you have brought with you
11th-floor communal onsen bath and open-air bath, plus five private-hire baths
11th-floor communal onsen bath and open-air bath, plus five private-hire baths
The communal onsen bath sits on the top floor (11th) of the hotel. It draws on Shirahama Onsen, one of Japan's three oldest hot springs, whose water is a sulfur-containing sodium chloride and hydrogen carbonate spring. There is an open-air bath looking out over the Pacific Ocean, along with five private-hire baths for families.
- •The communal bath is open Monday to Friday from 5 a.m. to 10 a.m. and 3 p.m. to midnight, and Saturday and Sunday from 5 a.m. to 10 a.m. and noon to midnight
- •The five private-hire baths are 50 minutes per room: 3,000 yen on weekdays and 3,500 yen on the eve of holidays, on holidays and in peak season, including tax
- •The private-hire baths are open Monday to Friday from 5 a.m. to 10 a.m. and 3 p.m. to midnight, and Saturday and Sunday from 5 a.m. to 10 a.m. and noon to midnight
- •The men's and women's baths switch over from one day to the next
- •Guests with tattoos may bathe only if the tattoo can be covered with two 8 cm x 10 cm cover seals
- •If you reserve a private-hire bath, families can enjoy the onsen together even with a child in diapers.
Outdoor pool (summer only, for staying guests)
Outdoor pool (summer only, for staying guests)
- calendar_monthSeason:7/1〜9/30
- water_dropWater depth:Approx. 57 cm
An outdoor pool open in summer only. It has two parts: a main pool 120 cm deep and a children's zone 57 cm deep. It is for staying guests only.
- •For staying guests only
- •Opening hours vary from day to day
Grill & Dining G (Japanese and Western buffet breakfast, kids' menus)
Grill & Dining G (Japanese and Western buffet breakfast, kids' menus)
A Japanese and Western buffet breakfast is served at Grill & Dining G, the restaurant on the 1st floor. There are two kids' menus, one for ages 6 to 12 and one for ages 3 to 5, and a baby cot and child chair are available.
- •Baby food is not served at the hotel, so you must bring your own; it can be warmed in the microwave
- •Allergy accommodations must be discussed at least 3 days in advance
- •Dinner is from 5:30 p.m. to 9 p.m. (last entry); breakfast starts at 7 a.m.
- •Yukata and slippers may not be worn in the restaurant
Baby and kids' equipment available to borrow
Baby and kids' equipment available to borrow
Equipment to help with childcare in your room is available to borrow. Marriott's Welcome Baby Plan can be booked for up to 5 rooms a day. In the guest room, a crib and a bed guard are available to borrow.
- checkCrib (1,210 yen, paid, reservation required)
- checkBed guard (free of charge)
- checkBath chair
- checkThermometer
- checkIce pillow
- checkNail clippers
- checkAllergy-friendly pillow
- checkBlu-ray and DVD player
- checkAir purifier
- checkHumidifier
- checkWheelchair
- checkChildren's yukata (90/110/120/130/140/150 cm)
- •The Welcome Baby Plan is for families with children ages 0 to 2, limited to 5 rooms a day, and comes with early check-in and a private-hire bath perk
- •The Welcome Baby Plan includes a complimentary private-hire onsen bath.
- •Borrowing a crib is not free: it costs 1,210 yen per crib.
Categories
Overview
Nanki Shirahama Marriott Hotel is a resort hotel about a 5-minute walk from Shirarahama Beach, with a communal onsen bath, an open-air bath and five private-hire baths on the top floor (11th). Families also have an outdoor pool (July 1 to September 30, for staying guests only, 120 cm deep with a children's zone 57 cm deep), plus a playroom, baby room and nursing room gathered together on the 4th floor. Marriott's Welcome Baby Plan, for families with children ages 0 to 2, is limited to 5 rooms a day.
The location is superb, about a 5-minute walk from Shirarahama Beach. The communal onsen bath on the top floor (11th) draws on a sulfur-containing sodium chloride and hydrogen carbonate spring and has an open-air bath looking out over the Pacific Ocean, and five private-hire baths let families bathe together on their own (50 minutes per room; 3,000 yen on weekdays, 3,500 yen on the eve of holidays, on holidays and in peak season). The men's and women's baths switch over from one day to the next.
Pool
The outdoor pool is open only in summer, from July 1 to September 30, and is for staying guests only. It is 120 cm deep, with a children's zone 57 cm deep, so younger children can enjoy it with peace of mind. On the 4th floor of the hotel, a playroom (8 a.m. to 9 p.m.), a baby room (with a microwave), a nursing room (open 24 hours) and a diaper-changing space are all gathered together.
Dining
Baby food is not served at the hotel, so you must bring your own; it can be warmed in the microwave in the baby room. The Welcome Baby Plan, for families with children ages 0 to 2 and limited to 5 rooms a day, is a Marriott original package that comes with early check-in and a private-hire bath perk. At the restaurant Grill & Dining G you can have a Japanese and Western buffet breakfast, with kids' menus for ages 6 to 12 and ages 3 to 5, and a baby cot is available. With the late checkout service, you can stay until 3 p.m.
Access & Information
| location_onAddress | 2428 Shirahama-cho, Nishimuro-gun, Wakayama 649-2211 |
|---|---|
| directions_carAccess | About 10 minutes by car from JR Shirahama Station, about 6 minutes by car from Nanki-Shirahama Airport, and about 10 minutes by car from Adventure World. |
| trainNearest station | JR Shirahama Station |
| local_parkingParking | Parking for 150 cars. The hotel has officially announced that parking becomes paid from August 2026; please see the official website for the rates. |
| callPhone | +81-739-43-2600 |
| paymentsCards | VISA, JCB, American Express, Diners Club, UC, Mastercard |
| languageOfficial site | https://www.shirahama-marriott.com/open_in_new |
Map
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Reference price as of October 13, 2026 (stay 2026-11-07). US$ is an approximate conversion from yen. Check the booking site for actual rates.
Check rates & availability
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Frequently Asked Questions
What ages is Nanki Shirahama Marriott 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.
Does Nanki Shirahama Marriott Hotel have baby beds?
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Baby beds are available to rent. See the Kids Facilities section on this page for details.
Is there parking at Nanki Shirahama Marriott Hotel?
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Parking: Parking for 150 cars. The hotel has officially announced that parking becomes paid from August 2026; please see the official website for the rates.
How do you get to Nanki Shirahama Marriott Hotel?
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About 10 minutes by car from JR Shirahama Station, about 6 minutes by car from Nanki-Shirahama Airport, and about 10 minutes by car from Adventure World.
Can we bring our own baby food and have it warmed?
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The hotel does not provide baby food, so you will need to bring your own.
Are there children's menus and chairs at meals?
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There are two kinds of children's menu, one for elementary school children ages 6 to 12 and one for preschool-age children ages 3 to 5, and a child chair and baby cot are also available.
Can the hotel accommodate a child with a food allergy?
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Requests for food allergy accommodations must be made at least 3 days before your stay. Depending on the severity, you will be asked to use a dedicated questionnaire sheet and explain the situation by phone, email or fax.
How much does it cost for children to stay?
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Elementary school children are charged for their stay. Children who have not yet started elementary school are not charged for the room if they co-sleep. Junior high school students and older pay the adult rate.
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Ikyu.com (a Japanese booking site), 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.
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