Tokyo, Edogawa Ward / Kita-Kasai
unito residence TOKYO-BAY Nishi-kasai
unito residence TOKYO-BAY Nishi-kasai
A 25–28 sq m studio apartment where you can cook and do laundry, about a 20-minute walk from two subway lines — compare the travel cost first before choosing.
photo source: Trip.com accommodation gallery
First, the conclusion: it feels more like a small home you can stay in for a few days than a station-front hotel
- The property lists both Nishi-kasai and Funabori stations as about a 20-minute walk, with Shinko 21 and Rinkai 22 bus options as well.
- Trip lists room sizes of 25 to 28 sq m, with a maximum of four guests, but the bed setup is one double bed plus one sofa bed.
- The official listing includes an in-room kitchen, washing machine and projector; check-in is self-service, so watch for the check-in instructions after booking.
- The surroundings are mainly the Kita-kasai residential streets, Gyosen Park and Aeon shopping, suiting multi-night stays and slow itineraries.
If I plan to stay in Tokyo for a week and have time each day to make breakfast or do laundry, unito residence TOKYO-BAY Nishi-kasai is more worth comparing than a business hotel that only offers a bed and a bathroom. It fits the functions of a small apartment into about 25 to 28 sq m, so two adults travelling with children, or friends travelling together, can set aside time in the room for meals and sorting luggage.
But I would not put it into every Tokyo itinerary just because the room looks large or the name mentions Tokyo Bay. The practical limit here is that both Nishi-kasai and Funabori stations are about a 20-minute walk away; going into the city several times a day adds up quickly. I would factor the day’s routes into the choice first, then pick a suitable room number.
About a 20-minute walk from both subway stations: I would first check whether the bus connects with my itinerary
unito residence TOKYO-BAY Nishi-kasai is at 14-28 Kita-kasai 2-chome, Edogawa Ward (ligere building). It is not a station-front apartment you reach the moment you leave Nishi-kasai subway station: Tozai Line Nishi-kasai Station and Toei Shinjuku Line Funabori Station are both about a 20-minute walk, in different directions. If I go out two or three times a day, this travel time affects the whole trip more than the room size.
| How to get there | Verifiable facts | How I would choose |
|---|---|---|
| Tozai Line, Nishi-kasai Station | Officially listed as about a 20-minute walk; Tokyo Metro states there is a lift at the ground-level south exit, and lifts between the platforms and the ticket gates inside the station. | Use it for destinations along the Tozai Line and towards Otemachi and Nihombashi; with a large suitcase, use the station’s south-exit lift and then continue on street level. |
| Toei Shinjuku Line, Funabori Station | Officially listed as about a 20-minute walk; the Tokyo Metropolitan Bureau of Transportation lists two lifts, ensuring one step-free route. | If your itinerary centres on the Toei Shinjuku Line or heads towards Shinjuku, weigh entering and leaving via Funabori first. |
| Shinko 21 bus route, Kojima stop | The official property page lists it as about a 5-minute walk; it runs between Nishi-kasai Station and Shinkoiwa Station. | In rain or with a lot of luggage, consider first whether the bus works for you, and do not assume every bus connects immediately. |
| Rinkai 22 bus route, Kuritsu Shizen Dobutsuen-mae stop | The official property page lists it as about an 8-minute walk; it can serve as an alternative towards Funabori and the waterfront. | With children, or when planning activities around the park, this route is worth comparing. |
The lifts inside Nishi-kasai Station and at its ground-level south exit are facilities Tokyo Metro has explicitly listed, and Funabori Station has step-free equipment listed by its operator. That only means the station entrances and exits have the relevant lifts; without a full route check, I cannot guarantee that every stretch of pavement from the exit to the building entrance is step-free.
If my days are mainly packed with itineraries around Tokyo Station, Shibuya or Shinjuku, this apartment’s two-station walking distance is a clear cost. By contrast, for a looser itinerary, someone willing to combine bus rides, or someone who needs to cook and do laundry in the room, a residential area may actually suit better. Especially for four people travelling together carrying luggage, the station distance is not just a number — it becomes a physical cost on check-out day.
How to plan around Kita-kasai: Aeon shopping and Gyosen Park are more practical than a nightlife district
This is not like the row of restaurants beside Nishi-kasai Station. A better rhythm is to stock up on dinner ingredients at the supermarket before returning, then use the kitchen in the apartment to prepare the meal. Aeon Kasai is about an 840-metre walk, and the park and residential streets are closer to the property than any large shopping centre.
Gyosen Park and the Edogawa Natural Zoo are nearby, and the property explicitly presents the park as a nearby walking option. If travelling with small children, spending the day at the park first and then returning to rest and do laundry fits slow travel better than staying downtown and pushing a stroller on a long subway ride every time. The parks’ actual opening and closing times still follow each operator’s announcements; I would not infer from the location advantage alone that they are open on any given date.
For a Disney trip, I would not assume from ‘TOKYO-BAY’ in the property name that it is near the Disney parks, let alone that there is a dedicated shuttle. Getting between the parks and this property still requires transport and transfers; with small children, a stroller and shopping bags, the final stretch home from the station especially needs to be factored into the time.
How to compare the 21 Trip room numbers: all sleep up to 4, but 25, 27 and 28 sq m differ
There are many individual room numbers to choose from here, mostly named as double-bed rooms; not every room number represents a completely different interior. Most indoor specifications are actually similar, with the common 25 sq m layout pairing one double bed with one sofa bed. I would compare room type and size first, rather than judging comfort by room number alone.
| Room no. | Listed size | Room beds | Max. guests |
|---|---|---|---|
| 101 | 27 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 102 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 103 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 104 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 105 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 106 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 107 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 201 | 28 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 202 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 203 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 204 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 205 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 206 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 207 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 301 | 28 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 304 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 302 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 303 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 305 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 306 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
| 307 | 25 sq m | 1 sofa bed, 1 double bed | 4 guests (capacity) |
I would split the 21 room numbers into two considerations: for just one or two nights, 25 sq m may already offer enough moving space; for seven nights or more, the 27 or 28 sq m versions are more worth asking about the price difference. The extra few square metres help with storage, but they cannot replace checking actual photos for how much walkway remains once the sofa bed is opened.
A four-person capacity cannot be read as two double beds, nor does it necessarily mean the room suits four adults sharing. For two adults with children, I would first check who uses the double bed, who gets the sofa bed, and whether extra luggage space is needed; if four adults keep different schedules, privacy in one room and bathroom time are trade-offs to accept.
Room 101 double-bed room | 27 sq m
photo source: Trip.com accommodation gallery
Room 101 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. Room 101 is slightly larger than most 25 sq m units, which is more worth noting than the four-person capacity alone when sorting two suitcases and arranging sofa-bed use.
Room 102 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 102 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 103 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 103 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 104 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 104 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 105 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 105 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 106 double-bed room | 25 sq m
Room 106 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 107 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 107 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 201 double-bed room | 28 sq m
photo source: Trip.com accommodation gallery
Room 201 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. This is the more spacious 28 sq m version in this batch of records; if four people travelling together want to keep a walkway, I would compare this size and the actual bed layout first. If choosing a higher floor, luggage movement and stair or lift access should be judged by the actual floor route, not assumed convenient from the room number.
Room 202 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 202 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 203 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 203 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 204 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 204 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 205 double-bed room | 25 sq m
Room 205 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 206 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 206 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 207 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 207 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 301 double-bed room | 28 sq m
photo source: Trip.com accommodation gallery
Room 301 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. This is the more spacious 28 sq m version in this batch of records; if four people travelling together want to keep a walkway, I would compare this size and the actual bed layout first. If choosing a higher floor, luggage movement and stair or lift access should be judged by the actual floor route, not assumed convenient from the room number.
Room 304 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 304 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 302 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 302 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 303 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 303 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 305 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 305 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 306 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 306 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Room 307 double-bed room | 25 sq m
photo source: Trip.com accommodation gallery
Room 307 sleeps up to 4, with one double bed and one sofa bed — not two standard double beds. 25 sq m is the more common layout in this building; the key question is how the double bed and sofa bed are allocated. A four-person limit does not mean four adults each get a separate bed.
Kitchen, washing machine and self check-in: the long-stay apartment’s advantage — and a responsibility to prepare in advance
Rooms come with a kitchen, washing machine, storage and a projector that can play streaming video; different room numbers may still differ in equipment. These facilities let guests cook breakfast before going out and do laundry at night, cutting down on eating out every day and on luggage. If my family and I stay several nights and plan to buy supermarket meals or cook simple hot food, this matters more than the decor style.
Check-in is after 16:00 and check-out is before 10:00, with self check-in; you need to contact them by email two days before arrival to obtain the check-in arrangements. Unlike a hotel with a 24-hour front desk, this place relies more on receiving the correct check-in information in advance. For a first trip to Tokyo on a late flight, I would organise the emails and backup contact details before departure, not dig through messages for the first time at the door.
I would also treat ‘a washing machine in the room’ and ‘daily housekeeping’ as two different things. The benefit of a long-stay apartment is greater independence in daily life; it does not mean someone changes your towels and makes the bed every day. If your trip needs daily cleaning and someone on hand at any time to deal with problems, a business hotel may fit better; the apartment only shows its value for someone who accepts managing their own clothes and room.
Short stays vs. consecutive nights: what matters most is not the listing name, but how you move each day
For just one or two nights with daily trips into central Tokyo, the 20-minute walk to the station becomes very noticeable. Add the need to watch for the self check-in email before arrival, and it is not necessarily less hassle than a business hotel beside the station. In this situation I would compare hotels near stations first, especially with very large luggage, a late arrival, or a flight to catch after check-out.
Staying five nights or more is different. Being able to cook and do laundry in the room, plus 25 to 28 sq m of living space, lets a family fit laundry changes and daily meals into a steady rhythm. Past guests have mostly described cleanliness and in-room supplies positively, though individual reviews mention noise from neighbouring rooms or upstairs, as well as door-lock handling and some fridge-function differences. These cannot be generalised to the whole building, but for very light sleepers or anyone who wants equipment problems dealt with immediately, I would factor in this risk.
The property is not a short walk from either station, so I would plan the stay together with daily transport. If you ride the subway twice a day dragging a large suitcase, staying closer to a station may be more comfortable than a few extra square metres; if you normally take the bus and prepare meals in the apartment, the practical everyday convenience of this area improves.
How I would choose in the end: the strengths of apartment-style stays and the trade-offs to accept
Pros
- 25, 27 and 28 sq m room types, to choose from by luggage amount and number of nights.
- In-room kitchen, washing machine and storage suit families and multi-day stays, letting you arrange your own meals and laundry.
- Trips can be planned from two different subway systems, Nishi-kasai and Funabori, with bus stops within walking distance.
- Close to Gyosen Park and the Natural Zoo, suiting a day set aside for a slow Edogawa itinerary.
Trade-offs to accept
- Both subway stations are about a 20-minute walk; going out several times a day or dragging large luggage accumulates travel cost.
- Check-in is mainly self-service and requires receiving the check-in information in advance, unlike a hotel with a full-time front desk.
- A room for up to 4 people has one double bed and one sofa bed — not four beds or two bedrooms.
- Some room numbers share similar room photos, so the listed room number alone cannot be used to infer the exact decor or all equipment.
- Individual past experiences mention sound insulation, door locks or equipment differences; anyone who values quiet and immediate service needs to weigh this.
My conclusion: this suits travellers willing to live their trip like short-term life, not necessarily a first Tokyo trip packed with sights every day. For three or four people travelling together, staying long, and planning to cook and do laundry, I would put it on the shortlist; if the top priority is dropping luggage minutes after leaving the station, this is not the least tiring choice. Decide where you will go each day first, then decide whether staying here is worth it.
Fact-check date: 2026-10-28