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SHIRAHAMA KEY TERRACE HOTEL SEAMORE Hotel Seamore
Wakayama Prefecture/Nanki-ShirahamaA large resort where you can enjoy Shirahama Onsen—one of Japan’s three oldest hot springs—in a variety of styles.
This is a large resort Ryokan characterized by spacious accommodations, offering relaxation and comfort while enjoying the ever-changing views of Kishu, the sea, and the mountains. You can experience the abundant natural Onsen of Shirahama, one of Japan's three great Onsen, through our own source-fed, free-flowing Onsen baths available in all large communal baths and open-air baths. Enjoy various baths, including a panoramic large communal bath with full glass walls overlooking the vast ocean below. From the open-air baths and large communal baths, you can listen to the sound of the sea breeze as background music, admire the beautiful sunset sinking into the horizon, and at night, see countless fishing lights reflecting on the dark sea.
I have stayed here many times.The meals are delicious with a wide variety, and there are plenty of staff who provide attentive service.The baths, footbath, and lobby are spacious, so you can relax at your leisure.I would like to stay here again.
bmwvw 10/3/2026I’m a Wakayama resident! I often stay at various Hotels in Shirahama. I knew the name, but wasn’t sure what it would be like… I was blown away! I regret not coming sooner. Amazing value for money, great food, and excellent hot spring quality! The bread was the best I’ve ever had. I definitely want to come back again!
AY.RAMI 9/9/2026
Facilities and Services
See All- Hot spring
| IN | 15:00~18:00 |
|---|---|
| OUT | 11:00 |
| Number of rooms | 160 rooms |
| Pet | Not allowed |
| Your child | Permitted |
Photo
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Introduction of the Accommodation






Nanki Shirahama Onsen, boasting a history of over a thousand years. We propose a new way to enjoy your stay at the Hotel in this place where many have come seeking relaxation and tranquility.






Enjoy fresh seafood at "Ikesu Enza" and "Sushi Yata." The buffet restaurant "by the ocean -buffet-" offers approximately 80 dishes in the morning and 100 dishes in the evening. Spend a graceful time in Shirahama.





Listen to the melody of the waves crashing, and enjoy a moment of tranquility.
Facilities and Equipment of Accommodation
- The room
- Hot Springs & Baths
- Facilities & Services
- Meal
Basic Information
| Taxes | Hot Spring Tax |
|---|---|
| Card information | VISA / MASTER / JCB / AMEX / DINERS / UnionPay |
| Pets | Not allowed |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. Children aged 0–6 may stay using Child Sharing Existing Bedding. |
| Room service | Not available 8:00 AM–12:00 AM |
| Common amenities |
|
| Facilities and Features |
|
| Esthetic Massage | None |
| Fitness gym | None |
| Public Bath |
|
| Open-air bath |
|
| Spring quality and benefits | Bicarbonate Spring Neuralgia / Muscle pain / Joint pain / Frozen shoulder / Motor paralysis / Joint stiffness / Bruises / Sprains / Chronic digestive disorders / Hemorrhoids / Sensitivity to cold / Convalescence after illness / Recovery from fatigue / Health promotion / Cuts and wounds / Burns / Chronic skin conditions / Frail children (recovery support) / Chronic gynecological conditions ※Regarding the notation of "Gensen Kakenagashi" |
| Sauna | Available |
| Hot stone spa | Available |
| About Hygiene Measures | [Our Measures Against COVID-19]
At SHIRAHAMA KEY TERRACE, in light of the spread of COVID-19, we are implementing the following measures to ensure guests can use our Hotel with peace of mind.
Applicable throughout the property
1. Staff wear masks while serving guests.
2. Alcohol-based hand sanitizer is available throughout the property.
3. Staff sanitize hands and have their temperature checked when arriving and leaving work, and their health condition is monitored.
4. Thorough cleaning and disinfection throughout the property.
5. Staff refrain from non-essential long-distance business trips and overseas travel.
6. Staff are instructed not to come to work if they have symptoms such as fever or cough.
7. Staff are instructed to avoid high-risk “Three Cs” settings (crowded places, closed spaces, and close-contact situations), including venues where clusters have been reported such as gyms, karaoke rooms, and live music venues.
[Requests to Guests]
- Please cooperate by using alcohol-based hand sanitizer when entering the building or banquet halls.
- Guests with a fever or who are feeling unwell are kindly asked to refrain from visiting.
- If you feel unwell during your stay, please inform a nearby staff member.
We will continue to monitor government guidance and infection trends and implement preventive measures accordingly. We apologize for any inconvenience caused and appreciate your understanding and cooperation. |
Reviews
- Rooms & Amenities3.99
- Facility4.14
- Hospitality & Service4.29
- Meals4.02
- Onsen & Bath4.33
- Satisfaction4.10
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Wakayama Prefecture1821 Shirahama-cho, Nishimuro-gun
TEL:+81-739-43-1000
Reservation Center
About 15 minutes by taxi or bus from Shirahama Station ■ By train ・Tennoji → JR Limited Express Kuroshio (Ocean Arrow) → Shirahama (2 hours) ・Shin-Osaka → JR Limited Express Kuroshio (Ocean Arrow) → Shirahama (2 hours 20 minutes) ・Kyoto → JR Limited Express Kuroshio (Ocean Arrow) → Shirahama (3 hours) ■ By car ・Osaka → Shirahama (approx. 2 hours 50 minutes) ■ By plane Tokyo (Haneda) → Nanki-Shirahama Airport (approx. 1 hour)
- Parking Information
- Fee
- Free for guests
- Parking time
- ---
- Parking space
- No restrictions
- Number of parking spaces
- 200 cars available Indoor & Outdoor
- Valet service
- Unavailable
- Pickup and drop-off information
- Unavailable
Frequently Asked Questions
Please provide information about Open-air bath.
・Hot spring: Available ・Free-flowing: Available ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring Hours of Use (15:00–25:00 / 5:00–10:00)
What are the qualities and benefits of the hot spring water?
The spring quality and efficacy of the hot spring are as follows. ・Spring quality: Bicarbonate Spring ・Spring efficacy: Neuralgia / Muscle pain / Joint pain / Frozen shoulder / Motor paralysis / Joint stiffness / Bruises / Sprains / Chronic digestive disorders / Hemorrhoids / Sensitivity to cold / Convalescence after illness / Recovery from fatigue / Health promotion / Cuts and wounds / Burns / Chronic skin conditions / Frail children (recovery support) / Chronic gynecological conditions
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Open-air bath・Free-flowing hot spring・Large public bath・Sauna・Ganbanyoku (rock bathing)・Within a 5-minute walk to the convenience store.
I would like to know the access information.
About 15 minutes by taxi or bus from Shirahama Station ■ By train ・Tennoji → JR Limited Express Kuroshio (Ocean Arrow) → Shirahama (2 hours) ・Shin-Osaka → JR Limited Express Kuroshio (Ocean Arrow) → Shirahama (2 hours 20 minutes) ・Kyoto → JR Limited Express Kuroshio (Ocean Arrow) → Shirahama (3 hours) ■ By car ・Osaka → Shirahama (approx. 2 hours 50 minutes) ■ By plane Tokyo (Haneda) → Nanki-Shirahama Airport (approx. 1 hour)
Is parking available?
・Fee: Free for guests ・Parking space: Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces: 200 cars ・Valet Service: Unavailable We will park your car free of charge from your check-in day until your departure.
Is an internet connection available?
Connection is possible. ・Wi-Fi is available. For more details, please refer to the room and plan information.
Is there a sauna?
Yes, there is.
Do you have a rock bath?
Yes, there is.
What kind of hygiene management is being conducted?
[Our Measures Against COVID-19] At SHIRAHAMA KEY TERRACE, in light of the spread of COVID-19, we are implementing the following measures to ensure guests can use our Hotel with peace of mind. Applicable throughout the property 1. Staff wear masks while serving guests. 2. Alcohol-based hand sanitizer is available throughout the property. 3. Staff sanitize hands and have their temperature checked when arriving and leaving work, and their health condition is monitored. 4. Thorough cleaning and disinfection throughout the property. 5. Staff refrain from non-essential long-distance business trips and overseas travel. 6. Staff are instructed not to come to work if they have symptoms such as fever or cough. 7. Staff are instructed to avoid high-risk “Three Cs” settings (crowded places, closed spaces, and close-contact situations), including venues where clusters have been reported such as gyms, karaoke rooms, and live music venues. [Requests to Guests] - Please cooperate by using alcohol-based hand sanitizer when entering the building or banquet halls. - Guests with a fever or who are feeling unwell are kindly asked to refrain from visiting. - If you feel unwell during your stay, please inform a nearby staff member. We will continue to monitor government guidance and infection trends and implement preventive measures accordingly. We apologize for any inconvenience caused and appreciate your understanding and cooperation.
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