2. Hot Springs

Hot Springs

Healing of a large azure sea and endless sky

Seaside Hotel Mimatsu Oetei's open-air bath and public bath overlook the large sea of Beppu Bay in front of you.

Every time the nature wools, it is stolen from various beautiful sceneries, encouraging a heart-innocent illusion

It is a healing accommodation where you can fully enjoy source sprinkling sinking hot springs.

Large communal bath Open-air bath, guest room with open-air bath

  • Rooftop outdoor bath(Men)

    It is a large bathtub with a streamlined shape like a big leaf.Taking a comfortable sea breeze throughout the body,

    It is an open-air bath that you can enjoy the sunrise in the morning and the full mood at the full moon at night in the evening.

    “Bath time is from 3:00 pm to 12:00 am, in the morning from 4:00 am to 9:30 am”
  • Rooftop outdoor bath(Women's bath)

    It is a gentle bath like the scent of hinoki drifts.The breeze from the sea is comfortable,

    It is an open-air bath that you can relax and enjoy relaxing hot springs while feeling the changing nature of ever-changing.

    “Bath time is from 3:00 pm to 12:00 am, in the morning from 4:00 am to 9:30 am”
  • Observation public bath

    It is a large public bath by gender.It is a large bathtub where the beauty of hinoki was made use of.

    It is a large public bath where you can relax and enjoy a hot spring while watching the beautiful view of Beppu Bay which spreads outside the window.

    "You can take a bath all night.(Until 9:30 in the morning) ”

  • Japanese-style Room with Open Air Bath

    In the room, feeling a gentle breeze while watching the ocean, relaxing bathing.(Special room: 6F Japanese outdoor bath)
  • Japanese-style room with open-air bath on the top floor

    While restoring Beppu Bay will take a rest for a while (7F special room)


●There is no bath towel / face towel installation.Please bring it from your room.
  Please contact the front desk if you need to change
●Please rise the stairs from the 7th floor on the rooftop outdoor bath
●Rooftop open-air baths may not be available on windy days or cold days.
●There is no private bath so please understand.

Hot Springs

Beppu Onsen(Natural hot spring 100%) Hot Spring Baskdown ※It does not include artificial hot springs

Hot Spring Qualities

Sodium bicarbonate·Chloride fountain(Addition of water)·Hot Spring Baskdown


Muscle pain · neuralgia · coldness etc.

Source spring temperature

55.8 degrees

Open Air Bath

Yes (There are also men and women (including time change) · Charges are not allowed)

Number of baths

"Outdoor bath] Man: 1 Female: 1 Mixed Bath: 0
[Inner bath] Man: 1 Female: 1 Mixed Bath: 0
[sauna] Man: 0 Female: 0 Mixed Bath: 0

Other bath facilities

Observation bath

Bath Terms of Use

Outdoor bath is available from 0 am until midnight and early in the morning from 4 o'clock.
The outdoor public bath can be used 24 hours.

Onsen tax

Hot spring tax Adults 250 yen per person per night will be charged separately.