Amanemu in Japan – the Aman onsen resort that earns every bit of its reputation

Most Aman properties get you on design, location, or the feeling that you’ve temporarily escaped the planet. Amanemu gets you on all three simultaneously, plus it adds something the other 33-odd Aman properties don’t have: a genuine onsen. Not a spa with a hot tub labelled “thermal.” An actual mineral-rich natural hot spring, flowing through a 2,000-square-metre spa complex and directly into the private bath in every single room. Aman opened this place on March 1, 2016 — its first onsen resort — in the forested hills of Ise-Shima National Park on Japan’s Kii Peninsula, overlooking Ago Bay, and the combination of location, architecture, food, and water is genuinely hard to match in Japan or anywhere. The vlog covers a Sola Suite stay, afternoon tea, the thermal spring spa, a private onsen session, dinner and breakfast at the restaurant, the gym, the Ama Hut activity, and the full resort map. Let me break down what makes this place worth the considerable effort of getting to it.

Where it is — and why getting there is part of the experience

Amanemu sits on a wooded hillside above Ago Bay in Mie Prefecture, inside Ise-Shima National Park on the eastern tip of Japan’s Kii Peninsula. This is not a location you pass through. You go to Ise-Shima specifically and you plan around it, which is exactly the kind of intentional remoteness Aman has always sought out. The vlog establishes immediately that the free resort transfer from Kashikojima Station is part of the arrival ritual — you’re met by a driver at the station and driven the 15-20 minutes to the resort through the national park.

Getting there from Tokyo:

• 🚄 Shinkansen from Tokyo to Nagoya (~1 hour 40 minutes), then train from Nagoya to Kashikojima (~2 hours 20 minutes). Total door-to-resort: around 4-5 hours. The train journey through the Kii Peninsula is legitimately beautiful — this is not dead travel time
• ✈️ Fly into Chubu Centrair International Airport (NGO) near Nagoya, then car transfer (~3 hours) or a 25-minute helicopter transfer to the resort (~73,000 JPY). The helicopter is the fastest and most dramatic option if you’re coming directly
• 🚗 Drivable from Osaka (~3 hours), Kyoto (~3.5 hours), or Nagoya (~2.5 hours) for guests doing a multi-city Japan itinerary

Aman officially offers a multi-destination Japan package combining Aman Tokyo, Aman Kyoto, and Amanemu with complimentary breakfast, room upgrades, and exclusive discounts across all three — a logical itinerary that flows from the capital to the ancient imperial city to the coastal wilderness. The effort of reaching Amanemu is the reason most guests stay two or three nights rather than one. One night is a waste of the journey.

The resort — 24 suites, 8 villas, and one deliberate architectural idea

Amanemu has 32 accommodations: 24 suites and 8 villas (4 two-bedroom villas). That’s it. The scale is intentional — this is not a resort that accommodates hundreds of guests and tries to feel intimate. At full occupancy you’re sharing the onsen pavilions, the restaurant, and the spa with at most 64-80 people, and in practice the property rarely feels crowded.

The architecture was inspired by Japan’s historic Minka style — traditional rural farmhouses characterised by high thatched roofs, exposed timber frames, and a deep connection between interior space and the surrounding landscape. The design takes that language and renders it with Aman’s restrained contemporary precision: natural materials throughout, large glass windows that dissolve the boundary between inside and outside, timber sliding shutters that you control depending on how much of the forest or the bay you want in the room. It does not look like a hotel. It looks like an idealized version of a traditional Japanese retreat that was rebuilt with unlimited resources and perfect taste.

Every suite and villa has a private onsen bath fed directly by the thermal spring. This is not a small detail. The fact that you can soak in genuine hot spring mineral water from your own room — particularly in Japan, where the onsen tradition carries both cultural weight and real physical benefit — is the defining feature of the property. Multiple reviewers describe the private onsen in the suite as something they used multiple times daily without leaving the room.

The Sola Suite — what the vlog stays in

The vlog dedicates nearly eleven minutes to the suite tour and it earns that time. The Sola Suite is one of Amanemu’s three suite categories — positioned to take advantage of the bay views with elevated sight lines over Ago Bay’s oyster rafts and forested islets. The name references the sky, and the relationship between the suite and the light at different hours of day is a recurring theme in anyone who’s actually stayed in it.

Inside: a generous open-plan living and sleeping area, the Japanese aesthetic running from the woven textile shutters to the natural stone and timber detailing throughout. The bathroom — which is really the architectural centrepiece of the suite — has the private indoor onsen bath with a dedicated knob for hot spring water, plus an outdoor onsen option accessible from the same space. Opening the retractable windows over the bath to feel the forest air while sitting in thermal spring water is one of those experiences that sounds like marketing and delivers completely.

Separate outdoor deck runs the length of the suite with seating and direct views. The floor-to-ceiling windows mean the bay view is the backdrop to practically every moment in the room, not just the ones where you’re specifically looking for it. Aman’s signature minimalism means the room feels expansive rather than just large — nothing competes with the landscape outside.

The full accommodation categories at Amanemu:

• Suite — the base category, views over the garden or forest, private indoor onsen
• Bay Suite — elevated bay views, private indoor and outdoor onsen
• Sola Suite — the vlog’s room, superior bay views, more generous proportions, private indoor and outdoor onsen
• Two-Bedroom Villa — 8 available, separate pavilion with hot spring-fed indoor and outdoor baths, extensive garden, designed for up to six guests. The family and group option

Daily breakfast for two is included in all rates, as are transfers to and from Kashikojima Station.

The Aman Spa and thermal spring — the reason the property was built

The vlog covers the thermal spring section at around 23 minutes and gives it over three minutes, which still doesn’t do justice to what the spa actually is. The Aman Spa here covers 2,000 square metres and was designed around Japan’s sixth-century tradition of onsen bathing. This is not a standard hotel spa that also happens to have a hot tub.

The spa complex includes:

• 🌊 Outdoor onsen pavilions — the communal thermal spring bathing area, with mineral-rich water flowing from the Ise-Shima springs. The outdoor pavilions are separated by gender in traditional onsen style
• 🏊 Indoor heated pool — for aquatic bodywork and watsu (water-based bodywork therapy), a specific treatment that uses the buoyancy of warm water as part of the therapeutic process
• 🧖 Four private treatment suites — for conventional massage and spa treatments
• 🏋️ Gym — well-equipped, vlog covers this at around 30 minutes, multiple reviewers specifically mention it as one of the better Aman resort gyms
• 🧘 Yoga studio — glass-walled with an adjoining outdoor deck overlooking the gardens. Morning yoga with the forest visible on all sides is the kind of session people describe using words like “reset”
• 🔥 Steam rooms and saunas — Finnish sauna alongside the thermal bathing facilities

The spa operates on a session booking system for the communal onsen — guests reserve their time slot in advance, which keeps the space from becoming crowded. Multiple reviewers note they found the spa “more modern than expected” for Japan — it reads as contemporary and spa-like rather than deeply traditional. The private villa and suite onsen baths are for those who want the more intimate, traditional soaking experience without the spa environment.

The Aman Wellness Day Program specifically combines a private yoga session, an aquatic bodywork treatment in the pool, and a rebalancing massage — a full-day wellness immersion built around the property’s core offering. Book it in advance.

Dinner and breakfast — Matsusaka wagyu and the local ingredient story

The restaurant at Amanemu operates under a vaulted ceiling with a view that references the bay and the surrounding forest. The food philosophy is local-first in the most literal way possible: Mie Prefecture is one of Japan’s great larders, and the menu uses this to its full extent.

🥩 Dinner

The vlog spends over five minutes on dinner service and the footage reflects a kitchen that takes its sourcing seriously. The flagship ingredient is Matsusaka wagyu beef — one of the “three big beefs” of Japan alongside Kobe and Omi, produced under strict guidelines in Mie Prefecture with marbling so fine the texture approaches butter. Alongside the wagyu, the menu draws from the extraordinary seafood of Ago Bay and the broader Mie coastline: the bay is known as the Bay of Pearls for its oyster aquaculture, and the seafood quality reflects how close the kitchen is to the source. Ise lobster from the surrounding waters makes regular appearances. Nabari melons from inland Mie, seasonal vegetables from local farms. This is what a resort restaurant looks like when geography actually shapes the menu.

Dinner is a multi-course format combining Japanese and Western preparations — not a Japanese menu with token Western dishes but a genuine integration of both traditions with the local ingredient base. The vlog’s dinner section shows the plating quality and the service pace, both of which reflect Aman’s standard of considered rather than hurried.

🍳 Breakfast

The vlog’s breakfast section is at the 38-minute mark and runs over four minutes — a good indicator of how seriously the breakfast is taken here. The Japanese breakfast at Amanemu is specifically called out in multiple independent reviews as one of the best hotel breakfasts in Japan, which is a competitive category in a country where hotel breakfast is treated as a serious meal. Grilled fish, pickles, miso soup, rice, egg preparations, seasonal sides — all executed at the precision level you expect from a kitchen using ingredients at this quality. The Western breakfast option is equally well-executed. Included in the room rate.

The Ama Hut activity — the cultural experience that sets Amanemu apart

The vlog’s activity section at the 45-minute mark covers the Ama Hut experience and this is the one that keeps appearing in Amanemu reviews as a genuine highlight that distinguishes the property from any other in Japan. The ama are Japan’s female freedivers — a tradition stretching back over a thousand years on the Ise-Shima coast, in which women dive without breathing equipment to harvest abalone, sea urchin, and other seafood from the ocean floor. They are specifically associated with this region and the culture and life of these divers is one of Japan’s most distinctive living traditions.

The Ama Hut experience takes guests to a traditional ama isobeya — the hut where divers warm themselves and dry off between dives — to meet and share a meal with an actual ama diver. You eat the seafood she harvested and she tells you about her work, her life, the tradition. It is a rare direct connection to a way of life that genuinely risks disappearing, and multiple reviewers describe it as the most memorable experience of their entire Japan trip. One Tripadvisor reviewer specifically called it “the best way to experience the park.” Book it in advance through the resort — availability is limited.

Other activities available through Amanemu:

• ⛩️ Ise Grand Shrine visit — with an expert guide to witness morning prayers and ritual dance. One of Japan’s most sacred Shinto sites, about 50 minutes from the resort. The guide makes the difference between seeing a beautiful ancient shrine and actually understanding what you’re looking at
• 🎣 Fishing with a local angler followed by the resort kitchen preparing fresh sashimi from your catch. The sea-to-table chain compressed to a single afternoon
• 🚴 Cycling around the property — bikes are available but need to be reserved in advance, a practical detail multiple reviewers mention after arriving and finding them unavailable
• 🏃 Trail running — the national park trails around the property are appropriate for all fitness levels and offer a way to experience the landscape rather than just view it from the suite
• 🥾 Kumano Kodo pilgrim trails — the UNESCO-listed network of pilgrimage paths is a 3.5-hour drive but worth a day trip for guests on a longer stay

The bar lounge and infinity pool

The vlog covers the front bar lounge and infinity pool in the first few minutes after check-in and these are worth understanding as the social heart of the property. The bar lounge is intimate — this is a 32-room resort — with the design coherence that runs through everything else at Amanemu. Cocktails built around local Mie ingredients, the same seasonal sourcing philosophy as the kitchen.

The infinity pool gets honest treatment in reviews: it is beautiful in setting and execution but — by Aman’s own elevated pool standards — considered by some regular Aman guests to be underwhelming compared to the pools at properties like Amanbagh or Amanjiwo. This is less a criticism of the pool itself and more a calibration note: the pool is not the main event here the way it might be at a beach or clifftop Aman. The thermal spring bathing is the central water experience at Amanemu and the pool plays a supporting role.

Getting there, best time to visit, and what to combine it with

Amanemu is accessible from multiple directions but none of them are convenient in the standard sense. The deliberate remoteness is architectural in the same way the suites are — chosen rather than accidental. The Kashikojima Station transfer service is free for guests. The helicopter from Nagoya airport is the premium arrival option at around 73,000 JPY (~USD 490).

Best time to visit: Ise-Shima is genuinely four-season and each has a distinct character. Spring (March-May) brings cherry blossoms to the national park trails and the bay is at its most photogenic. Summer (June-August) is warm and humid — the outdoor onsen at night is particularly atmospheric. Autumn (September-November) is arguably the best season — mild temperatures, brilliant foliage in the surrounding forest, and the onsen bathing has natural logic when the air starts cooling. Winter (December-February) is cold and occasionally rainy but the private in-suite onsen is exactly what winter was made for, rates are at their lowest, and the property is its quietest. Multiple reviewers specifically mention wanting to return in winter.

Multi-destination pairing: The natural Japan itinerary pairs Amanemu with Aman Tokyo (3-4 nights in the capital) and Aman Kyoto (2-3 nights for the ancient city). The three-property Aman Japan package makes this easy to structure. Alternatively, the drive or train from Osaka or Kyoto makes Amanemu a natural add-on to a Kansai-based trip without backtracking significantly.

What this actually costs

Amanemu rates start around JPY 150,000-180,000 per night (~USD 1,000-1,200) for standard suites in normal periods, before breakfast. Sola Suites and Bay Suites run higher — JPY 200,000-300,000+ per night (~USD 1,300-2,000+) depending on season. The two-bedroom villas are significantly higher and designed for groups of up to six. Breakfast for two is included in all rates. Kashikojima Station transfers are included.

Points and benefit angles worth knowing:

• Aman is not affiliated with any loyalty program — no Marriott Bonvoy, no Hilton Honors, no IHG. There are no points redemptions at Aman. The pricing is what it is
• Amex Fine Hotels & Resorts — Amanemu is listed in FHR. Platinum cardholders get a USD 100 food and beverage credit per stay, room upgrade on availability, and late checkout. At these room rates the USD 100 F&B credit is modest but real — it covers most of a lunch or part of an afternoon tea. Book through AmexTravel.com before booking direct
• Virtuoso — Amanemu participates in the Virtuoso network, which provides room upgrades on availability and the USD 100 equivalent hotel credit on top of the rate. Book through a Virtuoso-affiliated travel advisor for these benefits
• Value framing: breakfast for two at Amanemu’s restaurant, the included station transfer, and the private onsen in the room all contribute meaningfully to the effective value. Two breakfasts at a comparable Japanese fine dining standard would run JPY 10,000-15,000 per person. Over three nights the inclusions absorb a meaningful share of the room cost

Frequently asked questions

📹 Video by ST Travel