Kids Stay Free at Japan Hotels (2026): 30 Chains Compared

Guide·September 25, 2026·19 min read·Sourced & cross-checked

How old can a child be and still sleep free in a Japanese hotel? Every chain answers this differently, each answer sits on a different Japanese-language page, and almost none of them appear in English. So we read the official rules of 30 hotels and chains — business chains, city hotels, resorts and ryokan — and put them in one table.

The headline is that the answer is usually not a number at all. Most Japanese hotels draw the line at preschool age, which moves every April rather than on your child’s birthday. Beyond that, the range is enormous: Vessel Hotels lets an 18-year-old sleep free in a parent’s or grandparent’s bed, the b hotels stops at 11, and Dormy Inn starts charging at 3.

Compare family rooms and dates →

Affiliate link — English checkout, no extra fee. See our affiliate disclosure.

Honto check: Every line in the table comes from a hotel’s own official page — its FAQ, its accommodation terms or its rate table — read by us when we wrote the guide to that hotel, and collected here on September 24, 2026. The most unusual claim in the table, Vessel’s 18-and-under rule, we re-read on the chain’s own site on the same day. Deliberately not stated: room rates; each chain’s paid child rates, which vary by plan; and any general claim about “Japanese hotels” beyond the 30 in the table.

TOC

The table: what age kids stay free at Japan hotels

A twin room in a Japanese city hotel — A typical Japanese twin room. The bed width is what decides co-sleeping.

Read the middle column as the age at which a child sleeping in your bed stops being free. Where a hotel says “preschool”, the line moves in April, not on a birthday.

Hotel or chain	Free co-sleeping up to	The condition that catches people
Vessel Hotels	18 and under	Must share with a parent or grandparent. Breakfast free to 5, charged from 6. One adult plus one child in a twin is billed as two adults.
Hotel New Otani Tokyo (Main / Garden Tower)	12 and under	One per adult; breakfast on a package is charged extra.
InterContinental Osaka	12 and under	One per adult per bed; 13 and over count as adults.
Swissotel Nankai Osaka	12 and under	Extra bed 10,000 yen; cots free under age 2 and up to 15 kg.
the b hotels	11 and under	One child per existing bed. Breakfast free under 6, with exceptions by branch.
Hotel Granvia Osaka	Elementary age and under	Direct bookings only; may not apply through agencies.
Comfort Hotel	Through 6th grade	Sharing an adult’s bed.
Hotel Granvia Kyoto	6 and under	Free in a bed or a free cot; a child needing a bed pays the adult rate.
Hotel Okura Tokyo Bay	Under 6	One per adult; eight people maximum per room.
Super Hotel	0 to 6	Every branch, but the child is still counted as a guest.
APA Hotels	6 and under	Co-sleeping only.
MIMARU	6 and under	Two co-sleeping children per room; cots free under 2.
Hotel Gracery Shinjuku	6 and under	One per bed; from 7 the adult rate.
Hoshino Resorts (KAI, RISONARE, OMO, BEB)	6 and under	Up to the room’s stated capacity; HOSHINOYA differs.
Ki Niseko / Skye Niseko	Under 7	7 to 15 count towards capacity; one co-sleeping child per bedroom.
Hotel M’s Est Kyoto	5 and under	From 6, the adult rate.
Route Inn	Preschool	Elementary age 2,000 yen in your bed; book the bed-share plan.
Hotel Resol	Preschool	No bedding provided; Osaka limits it to one per adult.
Tokyu Stay	Preschool	One per adult, not counted in the room total. Elementary and up pay the adult rate.
Tokyu Hotels	Preschool	Unless the plan has its own child rates.
JR East Hotel Mets	Preschool	One per bed; kids’ amenity set and breakfast free.
Keio Plaza Hotel Tokyo	Preschool	No child rate at all: from elementary age it is the adult rate.
Maihama View Hotel	Preschool	One per bed; elementary age charged.
Hotel Metropolitan Ikebukuro	Preschool	Co-sleeping.
Hotel Villa Fontaine Haneda	Preschool	Preschoolers also eat free at the buffet.
Park Front Hotel at USJ	Preschool	One per bed; breakfast free to 3 and 900 yen for 4 to 5.
Hotel Okura Kyoto	Free in a bed or cot	An extra bed is the adult rate, 12,650 yen.
Dormy Inn	0 to 2 only	3 to elementary age costs 3,000 yen to share; junior high and up pay the adult rate.
Konansou (Kawaguchiko)	Under 1 only	Ages 2 to 6 in a parent’s bed cost 3,300 yen with breakfast.
Hotel Chinzanso Tokyo	No extra bed is ever free	12,650 yen per extra bed regardless of age, since June 2026. Cots free to 12 months.
Nishimuraya Honkan (Kinosaki)	Children under 10 cannot stay	Policy since April 2024.

Why the free line in Japan is a school year, not a birthday

Beds in a Japanese hotel room — One child per bed is the usual limit.

The word that decides it is mishuugakuji

The phrase most Japanese hotels use is mishuugakuji, which means a child who has not yet entered elementary school. It is not the same as “under six”. Japanese school years begin in April, so a child who turns six in May stays preschool until the following April and keeps the free bed for almost a year after their sixth birthday. A child who turns six in February becomes elementary-school age six weeks later.

What that means for your booking

Two children of exactly the same age can be priced differently depending on the month you travel. If your child is five or six, say both the age and the school year when you book, and do it in the booking notes rather than at the front desk. Hotels that publish a plain number instead — 12 and under, 11 and under — are easier to deal with for exactly this reason.

The chains that avoid the problem

Vessel, the b hotels, InterContinental Osaka, Hotel New Otani and Swissotel all use ages rather than school stages. So do the Niseko properties, which count 7 to 15 as guests towards capacity while letting under-7s share a bed. If you have a child right on the line, those are the safer bookings.

Free means the bed. It does not mean breakfast. In nearly every rule we read, a co-sleeping child is free to sleep and charged to eat. Vessel gives breakfast free to age 5 and charges from 6. The Park Front Hotel charges 900 yen for ages 4 and 5. Onsen hotels often add a bedding charge and a facility fee on top. Check what the free child actually receives.

The five conditions attached to a free child in Japan

A hotel room interior in Kyoto — Rooms this size are why an extra bed costs the adult rate.

One child per bed, almost everywhere

The limit is written for safety and it is nearly universal: one co-sleeping child per bed, or per adult. MIMARU is the exception we found, allowing two, because its rooms are apartment-style with separate sleeping areas. If you have two small children, count beds rather than people.

A child who needs a bed is an adult

This is where families are surprised at checkout. Hotel Granvia Kyoto, Tokyu Stay and Keio Plaza all say that a child occupying a bed pays the adult rate. Hotel Chinzanso Tokyo went further in June 2026 and made every extra bed 12,650 yen whatever the age. Vessel spells out the trap in reverse: one adult and one child in a twin room are billed as two adults, because two beds are being used.

Counted or not counted

Some chains say a free child is still a guest for capacity purposes (Super Hotel), and others say the child is not counted at all (Tokyu Stay). It matters when the room has a stated maximum of three or four people, because it decides whether your family fits in one room or needs two.

Direct bookings can be the only way to get it

Hotel Granvia Osaka states plainly that its free bed-sharing applies to bookings made on its own site or by phone and may not apply through travel agencies or rail-and-hotel packages. Tokyu Hotels notes that a plan with its own child rates overrides the general rule. The free child is a property of the booking, not of the hotel.

Cots have their own age

Where a cot is offered it usually runs to 24 months, and it is often free: Swissotel gives it free under 2 and up to 15 kg, Chinzanso to 12 months, MIMARU under 2. Cots are limited in number and almost always need requesting when you book, not on arrival.

Ryokan and onsen hotels price children a different way

Percentages, not free or not free

Traditional inns charge a child as a share of the adult rate, banded by what the child eats and whether bedding is laid out. Fujiya Hotel charges 70 percent for elementary age and under with adult meals and bedding, and 50 percent with children’s meals and bedding. Hakone Ginyu charges 50 percent for grades 1 to 4 and 70 percent from grade 5, with preschoolers free and meals or bedding optional at 5,500 and 4,400 yen.

The facility fee nobody expects

Takayama Green Hotel bands children by age, meal and bedding, with 0 to 2 free, bedding at 3,300 yen and, the hotel told us, a facility fee of 2,750 yen for a co-sleeping infant. At onsen properties the bath tax and facility charges can apply to children who are otherwise free, which is why the total on arrival can differ from the number you booked.

Some inns do not take children at all

Nishimuraya Honkan in Kinosaki has accepted guests aged 10 and over only since April 2024, and limits itself to three family groups a day. This is a small but growing category in Japan, and it is usually announced once, in Japanese, in a news post that never reaches the booking sites.

How to use this list when you book a hotel in Japan

A Japanese hotel room with twin beds — Photographed at a hotel in Kyoto, not at any hotel in the table.

Work backwards from your youngest child

If your youngest is under 6 and can share a bed, almost every business chain in the table works and the choice is about location. If your youngest is 7 to 11, the list shortens sharply: Vessel, the b hotels and the 12-and-under city hotels are where the saving is. From 12, only Vessel keeps the child free.

Ask in writing, and keep the answer

Two sentences in the booking notes solve most of this: the child’s age, and whether they will share a bed or need their own. Hotels answer these in writing and the answer is what protects you at check-in, especially at properties where the rule depends on the plan.

Where the money actually is

For a family of four on a week-long trip, the difference between a chain that charges from age 3 and one that charges from 12 is larger than the difference between most room rates. Our guides to Super Hotel, APA Hotels and Dormy Inn give the full rules for each chain, and family hotels in Tokyo covers the rooms that actually hold four to six people.

See family room options and prices →

(The companion table: our free cancellation comparison sets out when 27 Japanese hotels start charging, from the day before at most city hotels to 20 days out at one Okinawa resort.)

(Our The Okura Tokyo guide covers a hotel where children 12 and under share a bed free, one child per bed and two per room, while the gym, the club lounge and some restaurants set their own age limits.)

(Our Mandarin Oriental, Tokyo guide covers a hotel where in-house guests aged 12 and under eat free from the kids’ menu at K’shiki and Ventaglio.)

Frequently asked questions

What age do children stop staying free in Japanese hotels?

There is no single age. The most common line is preschool, meaning the child has not yet started elementary school, which is where Super Hotel, APA, Route Inn, Tokyu Stay, Keio Plaza and many others draw it. Several city hotels use 12 and under instead, the b hotels uses 11 and under, and Vessel Hotels goes as far as 18 and under. Dormy Inn starts charging at 3. Always check the specific hotel, because the range across ordinary chains is fifteen years.

Why does ‘preschool’ matter more than my child’s age?

Because in Japan the line moves in April, not on a birthday. A child becomes elementary-school age in the April after turning six, so a six-year-old in March is free at a hotel that says preschool and the same child is charged in April. If your child is close to the line, state the age and the school year when you book. Hotels that publish a number instead, such as 12 and under, do not have this problem.

Does ‘free’ mean free for everything?

No. In almost every case free means the bed only. Breakfast is usually charged separately for a co-sleeping child, sometimes with its own age bands: Vessel gives breakfast free to age 5 and charges from 6, and the Park Front Hotel at USJ charges 900 yen for ages 4 to 5. Bedding, amenities and the facility fee at onsen hotels can all be extra, so read what the free child is entitled to rather than assuming.

How many children can share one bed?

Usually one per bed, and the limit is written for safety rather than for money. Several chains state it explicitly: one child per bed at the b hotels, one per adult at Keio Plaza, one per bedroom at Ki Niseko. MIMARU allows two co-sleeping children in a room because its rooms are apartments. If you have two small children and one bed, you need two beds or a hotel that says otherwise.

What happens if my child needs their own bed?

The price jumps to the adult rate in most cases, which is the single most expensive misunderstanding in this area. Hotel Granvia Kyoto and Tokyu Stay both say a child who needs a bed pays as an adult. Hotel Chinzanso Tokyo charges 12,650 yen for an extra bed regardless of the child’s age, a rule it introduced in June 2026. Vessel adds that one adult and one child in a twin room are charged as two adults.

Do ryokan and onsen hotels work the same way?

No, and this catches families who have only stayed in city hotels. Traditional inns price children as a percentage of the adult rate, banded by whether the child eats adult meals and uses bedding: Fujiya Hotel charges 70 percent with adult meals and 50 percent with children’s meals, and Hakone Ginyu charges 50 percent for grades 1 to 4 and 70 percent from grade 5. Preschoolers are often free only if they take no meal and no bedding.

Are there hotels that will not take young children at all?

Yes. Nishimuraya Honkan in Kinosaki accepts guests aged 10 and over only, a policy it introduced in April 2024. Enoshima Island Spa bars preschool children from its bathing floors entirely. Adults-only and age-limited properties are a small but growing category in Japan, and the rule is usually stated once, in Japanese, on a page most booking sites do not reproduce.

Does booking through an agency change the rule?

It can, and the hotels say so. Hotel Granvia Osaka states that free bed-sharing applies to bookings made on its own site or by phone and may not apply through travel agencies, including rail-and-hotel packages. Tokyu Hotels notes that a plan with its own child rates overrides the general rule. When the saving matters, book direct and keep the confirmation that names the child.

Bottom line: there is no standard age. Most Japanese hotels let a preschool child sleep free in your bed, which means the line moves every April rather than on a birthday. Vessel Hotels goes to 18, several city hotels to 12, the b hotels to 11, and Dormy Inn charges from 3. Free almost always means the bed only: breakfast, bedding and cots have their own rules, a child who needs their own bed usually pays the adult rate, and at some hotels the free child exists only on a direct booking. As of September 24, 2026.

Sources

Each row is taken from the hotel’s own official material — its FAQ, accommodation terms or published rate table — as recorded in our individual guides to those hotels, which cite the pages they came from. Vessel Hotels’ 18-and-under rule was re-read on the chain’s own site on September 24, 2026. Child policies change, several of the hotels here changed theirs during 2026, and plans can override the general rule, so confirm with the hotel before you book.

Some links on this page may be affiliate links, which means we may earn a commission if you book or buy through them — at no extra cost to you. See our affiliate disclosure.

Free PDF guide

3 Golden Routes & 7 Hidden Gems

Tokyo to Osaka, Tokyo to Kyushu, Tokyo to Hokkaido — day by day — plus seven places most visitors never reach.