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MIMARU Tokyo Ueno East: Family Rooms & Child Policy

Tokyo · Higashiueno, Taito-ku · Ueno Station (JR Yamanote Line), about 3 min walk

Conditions last checked on the hotel’s official pages: 2026-10-05. Official website

Family rooms at a glance

Room type	Max guests	Beds / futons	Size	Children
Connecting Japanese Apartment	Up to 8 adults (age 7+) plus up to 4 children aged 6 or under sharing beds	8: Single bed x6, Futon x2	78 m²	Up to 2 children aged 6 or under (at check-in) are not counted toward adult capacity and may share a bed with an adult; age 7+ counts as an adult.

Free bed-sharing: 6 and under at check-in
Baby cot: Free baby crib for infants under 2 (limited; note in reservation comments); free bed guards (age limits apply)
Laundry: Coin laundry on site (no in-room washer-dryer in this room type)
Kitchen: Full kitchen (IH stove, fridge, microwave, kettle, cookware, tableware)
Connecting rooms: Sold as a connecting room type (two rooms joined by an internal door)

All 5 room types at MIMARU Tokyo Ueno East

Every room type on the hotel’s official page, with the capacity it states. Children aged 6 or under sharing a bed are not counted toward the adult capacity (up to the number shown).

Room type	Size	Capacity	Beds	Washer in room	Fits 5?
Pokémon Room	40 m²	4 adults + 2 children 6 or under	Single bed x4	No	Only with young children
Apartment (4 Single-Beds)	38 m²	4 adults + 2 children 6 or under	Single bed x4	No	Only with young children
Family Apartment	39 m²	4 adults + 2 children 6 or under	Single bed x2, Bunk bed x1	No	Only with young children
Japanese Apartment	40 m²	4 adults + 2 children 6 or under	Single bed x2, Futon x2	No	Only with young children
Connecting Japanese Apartment	78 m²	8 adults + 4 children 6 or under	Single bed x6, Futon x2	No	Yes

“Only with young children” = five people fit only if at least one or two are aged 6 or under. Source: mimaruhotels.com/en/hotel/ueno-east (checked 2026-10-05). Compare every MIMARU: MIMARU hotels compared.

Child policy

These rules come from the MIMARU (apartment hotels) official policy or FAQ page:

Free bed-sharing age	6 and under at check-in
Bed-sharing limit	Up to 2 children aged 6 or under per room are not counted toward adult capacity and can share a bed with an adult (connecting room types list Children 4)
Counted as a guest from	7 (guests aged 7+ at check-in count as adults)
Several children	Each room type page states 'Adults N / Children 2' (Children 4 for connecting types); children defined as ages 6 and under
Baby cot	Free baby crib for infants under 2 (limited; note in reservation comments); free bed guards (age limits apply)
Extra bed	Not confirmed

Children aged 7 and over count as adults toward room capacity.

Room type	Child rule on the room page	Baby cot	Extra bed
Connecting Japanese Apartment	Up to 2 children aged 6 or under (at check-in) are not counted toward adult capacity and may share a bed with an adult; age 7+ counts as an adult.	Yes, free baby crib for infants under 2 and free bed guards; limited stock, request in advance	Not confirmed

Can a family with 3 children stay in one room?

With two adults and three children you are five people. Whether one room is enough depends on two numbers the hotel publishes: the room’s maximum guests and the age up to which a child can share a bed without being counted (here: 6 and under at check-in).

Connecting Japanese Apartment: Up to 8 adults (age 7+) plus up to 4 children aged 6 or under sharing beds; 8 sleeping places (Single bed x6, Futon x2).

All room types listed here take 5 or more guests in one booking. If your children are older than the bed-sharing age, count each of them as a guest and make sure the room has a sleeping place for each.

Room types for big families

Connecting Japanese Apartment — MIMARU Tokyo Ueno East

Tokyo · Higashiueno, Taito-ku · Ueno Station (JR Yamanote Line), about 3 min walk

Connecting apartments
Sleeps 8
Full kitchen
Sold as a pair*

* Sold as a pair = our reading of the room type, not the hotel’s wording. What this means

Sleeps: Up to 8 adults (age 7+) plus up to 4 children aged 6 or under sharing beds
Bed layout: Single bed x6, Futon x2
Room size: 78 m²
Laundry: Coin laundry on site (no in-room washer-dryer in this room type)
Kitchen: Full kitchen (IH stove, fridge, microwave, kettle, cookware, tableware)
Connecting: Sold as a connecting room type (two rooms joined by an internal door)
Smoking: Non-smoking (all MIMARU rooms are non-smoking)
Notes: This property has no single room for 5+ adults; the connecting room type (two rooms with an internal door) is the option for 5+ guests aged 7+. Bathroom: Bathroom x2. Room type category on the official page: Connecting Room.

Official room page

Checked 2026-10-05 on: mimaruhotels.com/en/hotel/ueno-east, mimaruhotels.com/en/faq

* Sold as a pair: Our reading, not the hotel’s wording: when two connecting or adjoining rooms are sold as their own room type, booking that room type should get you both rooms together, unlike a “connecting request”. Most hotel pages do not use the word “guaranteed”, so confirm with the hotel if it matters.

Sources

mimaruhotels.com/en/hotel/ueno-east (checked 2026-10-05)
mimaruhotels.com/en/faq (checked 2026-10-05)

We have not stayed at this hotel. This page only summarises what the hotel publishes; the hotel’s own page and your booking confirmation take priority. “Not confirmed” means the pages we checked do not say.