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Check availability on Kosai Resorts & Hotels with Spas

Tonight
Aug 18 - Aug 19
Tomorrow
Aug 19 - Aug 20
This weekend
Aug 21 - Aug 23
Next weekend
Aug 28 - Aug 30

Our top choices for Kosai hotels with a spa

Spa
Restaurant
In-room safe, iron/ironing board (on request), WiFi (free), bed sheets
Classic Suite, Multiple Beds (Japanese Western Style) | In-room safe, iron/ironing board (on request), WiFi (free), bed sheets

1. Grand Mercure Lake Hamana Resort & Spa

Grand Mercure Lake Hamana Resort & Spa
Nishi Ward
  • Revitalize at this lakeside resort offering traditional Japanese onsen baths and massage services amid serene garden surroundings.
￥8,182
￥10,200 total
Sep 8 - Sep 9
Grand Mercure Lake Hamana Resort & Spa
Reception
Combined shower/tub, hair dryer, slippers, electronic bidet
Exterior
Down comforters, desk, WiFi (free), bed sheets

2. Hotel Route Inn Hamamatsu Dealer Dori

Hotel Route Inn Hamamatsu Dealer Dori
Higashi
  • Melt stress away in this eastern Hamamatsu hotel with daily massage treatments and a full-service spa where total body relaxation awaits.
￥11,443
￥12,608 total
Sep 13 - Sep 14
Hotel Route Inn Hamamatsu Dealer Dori
Public bath
Public bath
Reception hall
Restaurant

3. Gamagori Hotel

Gamagori Hotel
Gamagori
  • Bathe in soothing mineral hot springs at this Japanese retreat with deep soaking tubs and restorative spa treatments.
￥8,816
￥9,998 total
Aug 29 - Aug 30
Gamagori Hotel
Luxury Tent | In-room safe, individually decorated, individually furnished
Luxury Tent | In-room safe, individually decorated, individually furnished
Luxury Tent | Bathroom
Exterior

4. villa vacances hamanako

villa vacances hamanako
Nishi Ward
  • Experience rejuvenating hot springs and in-room massages at this holiday park with a full-service spa for a peaceful lakeside retreat.
￥70,987
￥78,115 total
Aug 25 - Aug 26
villa vacances hamanako
Front of property
Exterior
Point of interest
Desk, iron/ironing board (on request), WiFi (free), bed sheets

5. Hamamatsu Station Hotel

Hamamatsu Station Hotel
Naka Ward
  • Rejuvenate at this hotel with daily massage services at the full-service spa, steps away from historic Hamamatsu Castle.
￥5,372
￥6,500 total
Aug 30 - Aug 31
Hamamatsu Station Hotel
Spa
Sauna
Spa
Sauna

6. Hiranoya

Hiranoya
Gamagori
  • Luxuriate in this ryokan's restorative onsen hot springs and daily massage treatments amid tranquil garden surroundings for pure bliss.
￥17,028
￥19,031 total
Aug 31 - Sep 1
Hiranoya
Free toiletries, hair dryer, slippers, electronic bidet
Free toiletries, hair dryer, slippers, electronic bidet
Free toiletries, hair dryer, slippers, electronic bidet
Outdoor spa tub

7. Tennomaru

Tennomaru
Kota
  • Traditional ryokan stay with rejuvenating hot springs and spa services, ideal for tranquil cultural relaxation.
￥27,065
￥30,273 total
Sep 3 - Sep 4
Tennomaru
Reception
In-room safe
Japanese Style Room, Annex, Non Smoking | In-room safe
In-room safe

8. Ryokan Kinsui

Ryokan Kinsui
Kita Ward
  • Lakeside ryokan features in-room massages, deep soaking tubs, and natural pool for serene relaxation.
￥58,920
￥64,920 total
Sep 9 - Sep 10
Ryokan Kinsui
Spa
Japanese Style Room (10 Tatami, 16㎡) | In-room dining
Japanese Style Room (10 Tatami, 16㎡) | Premium bedding, in-room safe, individually decorated, bed sheets
Japanese Suite Room with Open-Air Bath | Bathroom | Separate tub and shower, deep soaking tub, free toiletries, slippers

9. Hazu Gassyo

Hazu Gassyo
Shinshiro
  • Ryokan retreat offers mineral hot springs, massage services, and a Japanese garden for a serene wellness escape in traditional comfort.
￥58,806
￥71,280 total
Aug 23 - Aug 24
Hazu Gassyo
Spa
Exterior
Japanese Style Twin Room, Oto | Premium bedding, minibar, in-room safe, desk
Japanese Western Room, Nenn | Premium bedding, minibar, in-room safe, desk

10. Hazuki

Hazuki
Shinshiro
  • Immerse in authentic Japanese healing with indoor and outdoor mineral hot springs, traditional spa services, and serene gardens.
￥40,910
￥49,501 total
Aug 25 - Aug 26
Hazuki
View all properties

Choose what matters most at spa hotels in Kosai

Pool
Breakfast included
Hot tub
4 stars
5 stars

Top Kosai Hotel Reviews

Okura Act City Hotel Hamamatsu

Okura Act City Hotel Hamamatsu

8/10 Good
"I really liked my room. It was spacious and clean. The staff were very helpful. The only negative is that I think the property could be updated a little bit. My stay was great. I'll definitely stay again when in the Hamamatsu area."
James A 1-night trip
Posted 3 days ago
Okura Act City Hotel Hamamatsu
Crowne Plaza - ANA Hamamatsu by IHG

Crowne Plaza - ANA Hamamatsu by IHG

10/10 Excellent
"Friendly and helpful staff. Amazing breakfast! Very conveniently located at the train station. Thank you! ありがとう！"
Jason 3-night trip
Posted 2 weeks ago
Crowne Plaza - ANA Hamamatsu by IHG
Hamamatsu Marriott Hotel

Hamamatsu Marriott Hotel

10/10 Excellent
"Staff was amazing. Gorgeous faculty. Large, well appointed rooms. Will definitely recommend to friends"
Linda 2-night trip
Posted 3 months ago
Hamamatsu Marriott Hotel

Frequently asked questions

Looking for a spa hotel in Kosai?
Book one of our lush spa hotels and pamper yourself from the moment you arrive. Check out the beaches in Kosai - worth a picture or two! Hotels with spas are a great way to break out of your routine and add a layer of luxury to your holiday.
What's there to see and do in Kosai?
Enjoy Kosai with a stop at Lake Hamana, Arai Beach, and Arai Benten Beach. If you have a little extra time during your trip, you might want to make a stop at Maisaka Beach and Ulotto Museum.
What is a Kosai spa hotel?
Spa hotels in Kosai have full on-site spas which offer services such as facials and a choice of body treatments. Some also provide a selection of in-room treatments for the ultimate luxury. Spa hotels are great for rest, rejuvenation, and relaxation.

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