We read Aman Tokyo's English and Japanese sites separately and then compared them, and the gap is not cosmetic. The Japanese wellness page states that spa treatments are offered to guests and non-guests alike — then carefully separates that from the pool, gym and bathing facilities, which it describes as being for people staying at the hotel. The English page says nothing about non-guests at all. The two versions also disagree on the last treatment slot by thirty minutes, and the English spa PDF contains a typo that puts the spa's opening in the evening. Below: what is actually open to you without a room, what the 84 suites are, and the three things the hotel never publishes at all.
Aman Tokyo at a glance
| Item | Official answer (Aug 2026) |
|---|---|
| Accommodation | 84 — all suites. 71 m² to 157 m² |
| Architect | Kerry Hill Architects |
| Opened | December 2014 — stated only on one Japanese page |
| Spa | 2,500 m², floors 33–34 · 8 treatment rooms · 30m pool |
| 🚨 Spa for non-guests | Treatments yes (Japanese page only) · pool and gym for guests |
| 🚨 Last treatment | English says 21:00 · Japanese says 20:30 |
| Age limits | Spa/gym 16+ · pool under-16 with guardian · Musashi 13+ |
| Afternoon tea | ¥13,000 (to Sep 13) → ¥12,000 (from Sep 14) |
| Musashi omakase | ¥75,900 · ¥76,560 from April 1 · closed Sun & Mon |
| 🚨 Musashi closure | Sept 26 – Oct 7, 2026 |
| Access | Otemachi station direct · via B2 OOTEMORI up to 1F · Tokyo Stn 5 min |
Inside one of the suites:
🚨 What the two language versions do not agree on
The last appointment. English: last treatment 9pm. Japanese: last booking 8:30pm. Book to the Japanese time.
A straight typo. The English spa menu gives spa reception as "6.30pm to 10pm" — the website says 6.30am. Read literally, the English PDF has the spa opening in the evening.
The way in. English: the tower "is connected to five-line Otemachi subway station." Japanese: from the second basement of the Otemachi Tower through OOTEMORI, then up to the first floor. At a station the size of Otemachi, that difference is ten minutes of wandering.
The rooms: 84 suites, no standard category
What you are choosing between
Every one of the 84 is a suite — the hotel's own phrase is "84 refined Suites and Signature Suites" — so the "84 rooms" in most write-ups implies a standard category that does not exist. The range runs from 71 square meters for the Deluxe and Garden View suites to 157 for the Aman Suite, which occupies the northwest corner and looks over the Shinjuku towers, the Imperial Palace grounds and, on a clear day, Mount Fuji. In between: Grand Suite at 141, Panorama at 139 with Tokyo Tower in view, City Suite at 121 on the northeast corner, and the Tokyo Suite at 77. Two details worth flagging — the Garden View Suite sits 38 stories up, on the highest floor, and the Tokyo Suite is the one category offered as either nonsmoking or smoking. The hotel does not publish how many of the 84 are Signature.
What the rate includes
The hotel lists it plainly: daily breakfast, in-room refreshments excluding alcohol, a welcome amenity, complimentary wellness classes subject to availability, and use of the wellness facilities — the Japanese-style bathing, steam room, 30-meter pool and fitness center. What it does not list is a price. There is no published nightly rate anywhere; the booking engine returns nothing until you enter dates, and the offer pages say only that rates are subject to change. The one figure the site does carry is a 20,000-yen hotel credit on stays of three nights or more, valid to December 18, 2026. For how the tier compares across the city, see our Tokyo luxury hotels guide.
The spa, read carefully
It is 2,500 square meters over floors 33 and 34, which the hotel describes as among the largest hotel spas in Tokyo. Inside: eight treatment rooms — the Japanese version notes one is for acupuncture, which the English omits — a 30-meter heated indoor pool, a gym running 24 hours with Technogym and Life Fitness equipment, a yoga and Pilates studio with a reformer, and Misogi bathing facilities separated by gender. The Japanese page adds that the pool sits in a corner of the 33rd floor behind an eight-meter wall of glass; the English page does not mention the floor or the window at all.
Prices, and the fact that there are none
We extracted both spa menus in full — 22 pages each, English and Japanese — and neither contains a single price. The only number above three digits in either document is the 2,500 describing the floor area. What the English version does state is the pricing structure: figures are in yen and include a 15% service charge and 10% consumption tax. So expect to ask rather than to research. Cancellation is free up to six hours ahead, and 100% inside six hours.
The age rules, and one condition that exists only in Japanese
Spa facilities, treatments and the fitness center are 16 and over. Under-16s may use the pool only, with a guardian — and here the Japanese version adds a requirement the English one leaves out entirely: they must be toilet-trained. Anyone in nappies cannot use the pool, which both versions do say. For families, the practical effect is that a child can swim and nothing else.
Eating and drinking without a room
All five are open to visitors
The Japanese dining page is explicit: the restaurants, the bar lounge with its attached cigar lounge, the sushi counter and the ground-floor café are all available to people who are not staying. The English version says the four restaurants are open to guests and visitors with reservations — and never mentions the cigar lounge. Arva is southern Italian on the 33rd floor. The Lounge, also on 33, runs 11:00 to 22:00. The Café sits in a separate ground-floor building inside the Otemachi Forest — and note that while the English site files it under "tea and pastries", the Japanese site categorizes it as French cuisine, with three dinner courses and a list of over thirty wines. La Pâtisserie is a shop in the second basement, cashless payment only.
Afternoon tea changes with the season — and the booking page is a trap
The peach menu ran at 13,000 yen from mid-June to September 13; the shine muscat menu that follows is 12,000, to November 15. Both include service and tax, served 11:00 to 16:30. There are also parfait sittings at 5,500, or 9,000 with a cocktail, and a champagne bottle service at 20,000 for two. Here is the trap if you go checking for yourself: the hotel's booking platform still lists plans from 2018 through 2025 that ended years ago, with their original prices. It is very easy to quote a number that has not been current since before the pandemic — which is likely how some of the figures in circulation got there.
Musashi: the closures matter more than the price
The omakase counter is closed Sundays and Mondays, seats nobody under 13 except during a private buyout, takes its last seating at 20:30, and is closed entirely for maintenance from September 26 to October 7, 2026. The price is 75,900 yen including service and tax — though the booking page already carries 76,560 for dates from April 1, so it is a moving figure. A buyout seats 14 and, according to the Japanese page only, lifts the age restriction.
Getting there, and what is not published
The building is directly connected to Otemachi station on five lines — Tozai, Hanzomon, Marunouchi, Chiyoda and Mita — and five minutes on foot from Tokyo Station's Marunouchi North exit. The route inside, given only in Japanese, is to come up through OOTEMORI on the second basement level and then to the first floor. Curiously, the hotel's dedicated "getting here" page mentions no subway in either language — only airport drive times of 40 minutes from Haneda and 60 from Narita. At ground level the tower is wrapped by the Otemachi Forest, a free public planting the English site describes as 3,600 square meters and over 56,000 plants while the Japanese one describes it as over 200 species — different measurements of the same thing, and worth knowing if you see the numbers quoted interchangeably. If station proximity is what you are optimizing for, our Tokyo Station hotels guide covers the immediate area, and boutique hotels the smaller end of the design spectrum.
Three things the hotel simply does not say
Pets. No policy exists on the official site in either language. Check-in and check-out times. Also absent, which is genuinely unusual. Children. Beyond the age limits at the spa and Musashi, there is no stated policy, no extra-bed rate and no cot information — only a line noting that an extra person policy applies, without saying what it is. Any guide that gives you these numbers is working from something other than the hotel's own pages, so ask at the time of booking. One more to check before you commit: the Advance Reservation offer requires booking 21 days ahead and is fully prepaid, non-refundable and non-changeable, with the Japanese version adding that no refund is made for a shortened stay either.
FAQ
Can I use the Aman Spa without staying at the hotel?
What time is the last spa appointment?
How big is the spa, and what is in it?
Are there rooms, or only suites?
What floors is the hotel on?
What can I do here without booking a room?
How much is the afternoon tea, exactly?
Is Musashi worth planning around?
How do I actually get in from the subway?
What does a room cost?
Are children welcome?
What about pets, and check-in times?
Bottom line (2026) — Aman Tokyo’s Japanese wellness page states that spa treatments are open to non-guests, while carefully noting the pool and gym remain guest-only – the English page says nothing on the point. The two language versions also disagree on the last treatment slot by 30 minutes. Read both, or ask the hotel directly before you plan around either.
Sources
Suite categories and sizes, inclusions, dining venues and their hours, the Musashi closure dates and age limit, the offers and their conditions, and the access routes: aman.com's English and Japanese pages for Aman Tokyo, read separately and compared — the discrepancies reported above are the result of that comparison. Spa size, floors, facilities, age rules, operating hours, cancellation terms and the pricing structure: the hotel's official spa menu PDFs in both languages. Afternoon tea, parfait and omakase prices and dates: the hotel's official reservation platform. Architect and opening date: the hotel's own dining and experience pages. All read on August 24, 2026. Seasonal menus and prices change frequently; confirm before booking. The embedded video is by its creator.
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