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Check prices for these dates
Our top choices for Kosai hotels

1. Hotel Route Inn Hamanako
Hotel Route Inn HamanakoKosai
8.0 out of 10, Very good, (215 reviews)
$72 nightly
The price is $80
Dec 13 - Dec 14

2. Tabist Kosai Hamanako no Yado
Tabist Kosai Hamanako no YadoKosai
7.0 out of 10, Good, (52 reviews)
$28 nightly
The price is $31
Nov 26 - Nov 27

3. Grand Mercure Lake Hamana Resort & Spa
Grand Mercure Lake Hamana Resort & SpaNishi Ward
8.0 out of 10, Very good, (713 reviews)
$48 nightly
The price is $55
Dec 3 - Dec 4

4. Hotel Associa Toyohashi
Hotel Associa ToyohashiToyohashi
9.0 out of 10, Wonderful, (1,006 reviews)
$63 nightly
The price is $69
Dec 13 - Dec 14

5. Minshuku Takahashi Kashibuneten
Minshuku Takahashi KashibunetenNishi Ward
9.6 out of 10, Exceptional, (61 reviews)
$54 nightly
The price is $61
Nov 26 - Nov 27

6. Comfort Hotel Hamamatsu
Comfort Hotel HamamatsuNaka Ward
8.6 out of 10, Excellent, (513 reviews)
$40 nightly
The price is $44
Nov 30 - Dec 1

7. Hotel Route Inn Toyohashi Ekimae
Hotel Route Inn Toyohashi EkimaeToyohashi
8.8 out of 10, Excellent, (484 reviews)
$60 nightly
The price is $66
Nov 15 - Nov 16

8. Crowne Plaza - ANA Hamamatsu by IHG
Crowne Plaza - ANA Hamamatsu by IHGNaka Ward
8.0 out of 10, Very good, (368 reviews)
$58 nightly
The price is $64
Nov 29 - Nov 30

9. Centurion Hotel Hamamatsu
Centurion Hotel HamamatsuNaka Ward
8.2 out of 10, Very good, (188 reviews)
$29 nightly
The price is $32
Nov 15 - Nov 16

10. Hamamatsu Marriott Hotel
Hamamatsu Marriott HotelNaka Ward
8.4 out of 10, Very good, (44 reviews)
$79 nightly
The price is $87
Nov 13 - Nov 14

11. HOTEL SUI HAMAMATSU
HOTEL SUI HAMAMATSUNaka Ward
9.0 out of 10, Wonderful, (221 reviews)
$35 nightly
The price is $39
Nov 29 - Nov 30

12. Daiwa Roynet Hotel Hamamatsu
Daiwa Roynet Hotel HamamatsuNaka Ward
8.8 out of 10, Excellent, (1,002 reviews)
$59 nightly
The price is $65
Nov 29 - Nov 30

13. Hamamatsu Hotel
Hamamatsu HotelNaka Ward
8.2 out of 10, Very good, (380 reviews)
$43 nightly
The price is $48
Nov 15 - Nov 16

14. Toyoko Inn Toyohashi Ekimae Odori
Toyoko Inn Toyohashi Ekimae OdoriToyohashi
$54 nightly
The price is $60
Nov 24 - Nov 25

15. Hotel Sorriso Hamamatsu
Hotel Sorriso HamamatsuNaka Ward
8.4 out of 10, Very good, (517 reviews)
$57 nightly
The price is $63
Dec 13 - Dec 14

16. Hotel Concorde Hamamatsu
Hotel Concorde HamamatsuNaka Ward
8.0 out of 10, Very good, (208 reviews)
$48 nightly
The price is $53
Dec 7 - Dec 8

17. APA Hotel Hamamatsueki Minami
APA Hotel Hamamatsueki MinamiNaka Ward
7.2 out of 10, Good, (888 reviews)
$46 nightly
The price is $50
Dec 6 - Dec 7

18. Hotel Leon Hamamatsu
Hotel Leon HamamatsuNaka Ward
8.4 out of 10, Very good, (277 reviews)
$36 nightly
The price is $40
Nov 30 - Dec 1

19. Hotel Arc Riche Toyohashi
Hotel Arc Riche ToyohashiToyohashi
9.4 out of 10, Exceptional, (241 reviews)
$80 nightly
The price is $88
Dec 13 - Dec 14

20. Comfort Hotel Toyohashi
Comfort Hotel ToyohashiToyohashi
8.6 out of 10, Excellent, (253 reviews)
$51 nightly
The price is $56
Nov 15 - Nov 16
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Stay near popular Kosai attractions
Learn more about Kosai
Between the golden shores of Arai Benten Beach and the tranquil waters of Lake Hamana, visitors find perfect spots for swimming and watersports. Explore the historic Sakichi Toyoda Memorial House before visiting ancient Ogaji Temple where locals still come to pray beneath centuries-old trees.

More cheap stays in Kosai

Hotel South Garden Hamamatsu
325-30 Sunayamacho Hamamatsu Shizuoka
$35 nightly
The price is $39 total per night from Dec 13 to Dec 14
$39 total
Dec 13 - Dec 14
7.6/10 Good! (52 reviews)
Frequently asked questions
Explore a world of travel with Expedia
- Hotels near Ryuyokaiyo Park
- Hotels near Hamamatsu Station
- Hamanako Kanzanji Onsen Hotels
- Hotels near Hamamatsu Arena
- Hotels near Kamoe-ji Temple
- Hotels near Hamamatsu JASDF Air Park and Museum
- Resorts & Hotels with Spas in Hamanako Kanzanji Onsen
- Hotels near Hamanako Palpal Theme Park
- Hotels near Lake Hamana
- Hotels near Hamamatsu Flower Park
- All-Inclusive Resorts in Kosai
- Hotels near Act Tower
- Hamamatsu Flower Park
- Act Tower
- Hamamatsu JASDF Air Park and Museum
- Hamanako Garden Park
- Hamamatsu Fruit Park Tokinosumika
- Ryuyo Insect Nature Observation Park
- Visit Kosai
- Visit Higashi
- Visit Naka Ward
- Visit Nishi Ward
- Kamono Mabuchi Memorial Hall
- Hamamatsu Museum of Musical Instruments
- Atago Shrine
- Hamanako Palpal Theme Park
- Visit Murakushi
- Kamoe-Ji Temple
- Hamamatsu City Zoo
- Visit Waji
- Bentenjima Seaside Park
- Hamamatsu Arena
- Sakichi Toyoda Memorial House
- Visit Hamanako Kanzanji Onsen
- Hamamatsu Diorama Factory Museum










































































