I Looked Into AMANE RESORT SEIKAI (Shiosai no Yado Seikai)

On this blog, besides campgrounds and day-use hot springs, I sometimes look into hot spring resort-style inns as "detour spots for a hokans-style getaway." Since I don't drive, building up this kind of information little by little has become sort of a rehearsal for future trips.

This time I looked into AMANE RESORT SEIKAI (Shiosai no Yado Seikai), located in Beppu City, Oita Prefecture. I came across information saying every room faces the sea and comes with an open-air bath, and it seems the name used to be different before a renewal, so I figured some people might be curious about what it's like now. I decided to organize what I found.

The Short Version

It looks like this is an inn where every room comes with its own open-air bath fed by natural hot spring water, so you can enjoy both the hot spring and the ocean view without leaving your room.
The Rakuten Mobile signal came back as a C rating in my check, so it might be worth keeping an eye on the connectivity situation.

I've summarized the details below.

What Kind of Inn Is AMANE RESORT SEIKAI

It's apparently a hot spring resort located in the Shonin-ga-hama area of Beppu City, Oita Prefecture, and from what I can tell on the official website, every guest room faces the sea. The buildings are divided into three wings, and it seems a special new wing was added featuring rooms with pools, jacuzzis, and open-air baths.

There appear to be 14 different types of rooms with open-air baths, and all of them apparently draw directly from the natural hot spring source. Since the atmosphere and size seem to vary from room to room, it seems like there'd be plenty to compare when choosing which one to book.

Komorin

Hearing that every room comes with its own open-air bath makes me want to never step outside the room. As someone who's pretty much an indoor type, this really speaks to me.

Checking Out the Facilities: Large Baths, Dining, and More

Besides the guest rooms, there's apparently a large communal bath called "Shiosai no Yu" on the first floor. Since it's located right near sea level, it seems to be described as being at "0 meters above sea level," offering an open, expansive view while you bathe.

There also seem to be several dining options, including the following:

Japanese restaurant "Gen": apparently offers kaiseki-style course meals in private rooms
Seafood restaurant "Eitaro": seems to focus on dishes centered around fresh seafood
Bistro "Vin Nouveau": apparently offers what's branded as Beppu-style French cuisine

On top of that, there's a spa and esthetic salon as well as a cafe and bar, and apparently a point card program called "WhiteTimeClub" is available too. I couldn't find details on room rates or whether day-use bathing is accepted on the official website's top page, so it looks like you'd need to check those details individually through the reservation system.

Looking Into How to Book

You can apparently make a reservation either through the official website's booking system or by phone, with phone reception hours running from 9am to 8pm. There also seem to be plans available through JTB that bundle in bullet train or flight tickets, so if you're traveling from farther away, it might be worth comparing those options too.

Rakuten Mobile Signal Conditions

When I entered the address for this facility into Rakuten's official "My Area Network Simulation" tool, the overall rating came back as "C."

Given that C rating, there may be spots where the signal feels a bit unstable depending on where you are. Since it's a seaside location, there's also a chance that the building's structure or the position of a given room could affect reception. If you're planning to use a lot of data during your stay, it might be a good idea to check ahead of time just to be safe.

Komorin

I want to take that C rating as honest information worth sharing as-is. I guess this kind of thing can happen with seaside inns.

See Rakuten Mobile Details

Wrapping Up

Putting it all together, my impression of AMANE RESORT SEIKAI is that it's an inn where every room comes with its own open-air bath fed by natural hot spring water, letting you enjoy the hot spring while taking in the ocean view. With a large communal bath and multiple dining options on top of that, it seems like a great fit for anyone who wants to relax and spend a leisurely time within the property itself.

That said, the Rakuten Mobile signal came back as a C rating, so if connectivity matters to you, it's probably worth checking in advance. If you're curious, you can check for yourself using the official Rakuten Mobile tool before your visit.

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