Inside are a Noh theater, a Japanese garden and a jazz club, every guest room is on a high floor, and west-facing windows see Mount Fuji on a clear day.
Kids get a Kids Passport with coloring and puzzles when they arrive, and the 20-meter heated indoor pool is up on the 39th floor.
Artificial mist rolls through the Meiji-era garden like a sea of clouds, with a three-story pagoda rising above it and a thousand lights after dark.
Steps from Hie Shrine, with the subway connected underneath and a building designed by Kengo Kuma.
The big Roppongi Hills hotel, with an indoor pool, and the Mori Tower, the cinema and a dozen places to eat right outside the door.
Renovated rooms and lobby, a 7-Eleven under the hotel, and a giant playground a few minutes' walk away.
Apartment-style rooms with a kitchen and a fridge, which with small kids in Tokyo is the whole point, a quiet walk from Shibuya station.
Tatami suites up on the high floors with their own washer-dryers, bunk-bed family suites, and connecting apartments for eight adults and four kids.
The Happy Baby plan puts a bottle sterilizer, baby bath and step stool in the room, and there are kids' yukata and babysitters who come to you.
Bunk beds in most apartments, and two connecting rooms that sleep eight adults and four children.
Nine room types, from a Pokémon room with loft beds to high-floor city view suites with their own washer-dryers, near department stores and anime shops.
Bunk-bed family apartments, a Pokémon room and a 78-square-meter pair of connecting Japanese rooms, close to Ameyoko and the Tokyo National Museum.
A train view family apartment with a bunk bed, a concept apartment built around a counter kitchen, and Ueno Park right over the bridge.
Family rooms with a bunk bed and a sofa bed, a Grand Japanese room with futons that sleeps six, and an IH kitchen and washer-dryer in each.
Suites and family rooms that each have a kitchen, several set up with bunk beds and suites sleeping up to six, and a top-floor bath looking out on Shinobazu Pond.
Every room is a two-bedroom suite, the biggest a 74-square-meter Japanese suite with doors to open or close and a concept suite with a projector for movies.
Each apartment has a bunk bed, and the river view ones look out over the Sumida, with Skytree and the aquarium close by.
A Pokémon room where 100 Pokémon greet you, loft-bed apartments, and a concept apartment designed with a Japanese artist and hung with original art.
Ukiyo-e prints hang in a concept room drawn from Edo-period picture books, alongside a Pokémon room and loft-bed and tatami apartments.
Family apartments with bunk beds, a tatami apartment, and a 60-square-meter deluxe Japanese one that sleeps six adults and two kids.
You can book a whole floor of three rooms, two of them tatami, that together sleep 12 adults and 6 children.
Apartments with full kitchens, from a family room with a bunk bed to a 75-square-meter ninja room for eight with shuriken and scrolls.
A comfortable, comparatively affordable Akihabara stay that works for groups of four or five, near anime and manga shopping.
East Wing rooms of 37 square meters that sleep up to five, with a bubble bath in the tub and a mini fridge.
Japanese-style rooms, and connecting rooms for up to six with two bathrooms and an inner door you can close at night, a five-minute walk from the station.
Rooms for two or four, a shared kitchen and lounge, and free candy for kids in the lobby each evening, across the road from Parco's Pokémon and Nintendo stores.
Japanese-style rooms with tatami in some, and Luxury Corner Twins with two queen beds that push together and a balcony all the way around.
