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Go beyond your typical stay in Kosai

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Check prices for these dates

Tonight
14 Nov - 15 Nov
Tomorrow
15 Nov - 16 Nov
Next weekend
20 Nov - 22 Nov
In two weeks
27 Nov - 29 Nov

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Our top choices for Kosai hotels

A buffet line with various food items and condiments.

1. Hotel Route Inn Hamanako

Hotel Route Inn Hamanako
3.0 star property
Kosai
8.0 out of 10, Very good, (215 reviews)
"Quite place & clean ,Parking is wide"
Japan
RESTITUTA BULFA
The price is AED 269
AED 296 total
15 Dec - 16 Dec
Hotel Route Inn Hamanako
A balcony with wicker chairs and a table, overlooking a body of water and greenery.

2. Tabist Kosai Hamanako no Yado

Tabist Kosai Hamanako no Yado
2.0 star property
Kosai
7.0 out of 10, Good, (52 reviews)
"Wonderful hotel. Very quiet. Our room was huge!"
United States
Sigrid
The price is AED 108
AED 119 total
15 Nov - 16 Nov
Tabist Kosai Hamanako no Yado
Exterior

3. Grand Mercure Lake Hamana Resort & Spa

Grand Mercure Lake Hamana Resort & Spa
4.0 star property
Nishi Ward
8.0 out of 10, Very good, (713 reviews)
"Large 4 bedded room, two of which were temporary add-on beds, but they were comfortable. Onsen was good, a large area with all the amenities, and very popular with the locals. Very fun and authentic experience. Breakfast was a little chaotic, due to it being a Saturday morning, with lots of families and local travellers, but the food quality was good, with assorted dishes from various parts of Japan. Would recommend if you have your own transport, otherwise you are stuck in the hotel, or using a...
Singapore
Shiyun
The price is AED 161
AED 202 total
15 Dec - 16 Dec
Grand Mercure Lake Hamana Resort & Spa
A modern library with wooden tables and chairs, bookshelves, and a large window with blinds.

4. Comfort Hotel Hamamatsu

Comfort Hotel Hamamatsu
3.0 star property
Naka Ward
8.6 out of 10, Excellent, (513 reviews)
"Everything about the stay and hotel was well worth it"
Australia
George W
The price is AED 138
AED 152 total
14 Dec - 15 Dec
Comfort Hotel Hamamatsu
A Daiwa Roynet Hotel with a modern design, featuring a grid of windows and a prominent hotel logo on the facade.

5. Daiwa Roynet Hotel Hamamatsu

Daiwa Roynet Hotel Hamamatsu
3.0 star property
Naka Ward
8.8 out of 10, Excellent, (1,001 reviews)
"Staff was welcoming and the on site Family Mart was convenient! "
Canada
Lauren
The price is AED 209
AED 253 total
23 Nov - 24 Nov
Daiwa Roynet Hotel Hamamatsu
A long, narrow hotel corridor with wooden doors on both sides and a carpeted floor.

6. Centurion Hotel Hamamatsu

Centurion Hotel Hamamatsu
3.0 star property
Naka Ward
8.2 out of 10, Very good, (188 reviews)
"Very good!"
Japan
JESSICA VANESSA
The price is AED 107
AED 117 total
15 Nov - 16 Nov
Centurion Hotel Hamamatsu
Room

7. Toyoko Inn Hamamatsu Station

Toyoko Inn Hamamatsu Station
3.0 star property
Naka Ward
8.0 out of 10, Very good, (289 reviews)
"Wonderful hotel to stay in Hamamatsu!"
United States
Aruna
The price is AED 197
AED 217 total
23 Nov - 24 Nov
Toyoko Inn Hamamatsu Station
A hotel room with a bed, a desk with a computer, a TV, a chair, a sofa, and a view of the city at dusk.

8. Hotel Associa Toyohashi

Hotel Associa Toyohashi
4.0 star property
Toyohashi
9.0 out of 10, Wonderful, (1,000 reviews)
"We love staying here and we always feel welcome. It is convenient for us to visit family close by. Great staff & facilities. The cleaning staff are so efficient & always happy."
Australia
Jeanette
The price is AED 214
AED 259 total
15 Dec - 16 Dec
Hotel Associa Toyohashi
A buffet line with various food items and condiments.

9. Hotel Route Inn Hamamatsunishi Inter

Hotel Route Inn Hamamatsunishi Inter
3.0 star property
Nishi Ward
8.4 out of 10, Very good, (256 reviews)
"Facility is clean"
Japan
Takatsugu
The price is AED 275
AED 303 total
15 Dec - 16 Dec
Hotel Route Inn Hamamatsunishi Inter
A tall hotel building with a sign reading "Richmond Hotel" at the top.

10. Richmond Hotel Hamamatsu

Richmond Hotel Hamamatsu
3.0 star property
Naka Ward
8.8 out of 10, Excellent, (713 reviews)
"Good location. Enjoyed our stay."
United States
Lawrence
The price is AED 209
AED 230 total
6 Dec - 7 Dec
Richmond Hotel Hamamatsu
A buffet with various food options including meats, fruits, and vegetables.

11. APA Hotel Hamamatsueki Minami

APA Hotel Hamamatsueki Minami
3.0 star property
Naka Ward
7.2 out of 10, Good, (888 reviews)
"One of the best places to stay in the city! A laundry room with manga? Wuuuut Love it A+++"
Canada
Anselm
The price is AED 152
AED 184 total
15 Nov - 16 Nov
APA Hotel Hamamatsueki Minami
A hotel room with two beds, a desk, a chair, and a small table.

12. Comfort Hotel Toyohashi

Comfort Hotel Toyohashi
3.0 star property
Toyohashi
8.6 out of 10, Excellent, (254 reviews)
"Great hotel, good rooms and complimentary breakfast, great staff as well! Area around the property isn't the best, but a great stay! "
United States
Joshua
The price is AED 188
AED 207 total
15 Nov - 16 Nov
Comfort Hotel Toyohashi
A modern gym with exercise equipment, a wall of dumbbells, and large windows.

13. Crowne Plaza - ANA Hamamatsu by IHG

Crowne Plaza - ANA Hamamatsu by IHG
3.5 star property
Naka Ward
8.0 out of 10, Very good, (368 reviews)
"Great location, friendly staff, very spacious rooms, and a delicious breakfast. I had a wonderful stay and would definitely recommend it."
United States
Raysir
The price is AED 148
AED 235 total
29 Nov - 30 Nov
Crowne Plaza - ANA Hamamatsu by IHG
A buffet setup with various food items and serving utensils, a wooden counter, and a metallic backdrop.

14. Hamamatsu Hotel

Hamamatsu Hotel
3.5 star property
Naka Ward
8.2 out of 10, Very good, (380 reviews)
"Very nice hotel not far off the beaten path. 8 minute walk from train station. Breakfast buffet was delicious "
United States
Jeffrey
The price is AED 163
AED 198 total
29 Nov - 30 Nov
Hamamatsu Hotel
A modern hotel entrance with a prominent 'EN HOTEL' sign, a wooden deck, and potted plants.

15. EN HOTEL Hamamatsu

EN HOTEL Hamamatsu
3.0 star property
Naka Ward
8.0 out of 10, Very good, (415 reviews)
"AC look to be"
Australia
Bradley
The price is AED 130
AED 157 total
13 Dec - 14 Dec
EN HOTEL Hamamatsu
A spacious lobby with a central staircase, a large mural, and a modern ceiling design.

16. Hamamatsu Marriott Hotel

Hamamatsu Marriott Hotel
5.0 star property
Naka Ward
8.4 out of 10, Very good, (45 reviews)
"We had a lovely stay here. Reasonably easy to walk from the train station, close to bus stops as well. Easy walk to Hamamatsu Castle and Park. Good sized room, well appointed and bonus Mt Fuji view from the window on a clear day"
Australia
Rachel
The price is AED 264
AED 320 total
23 Nov - 24 Nov
Hamamatsu Marriott Hotel
A hotel entrance with a glass door, a signboard with hotel name, and a visible entrance ramp.

17. Toyoko Inn Hamamatsu-eki Minami-guchi

Toyoko Inn Hamamatsu-eki Minami-guchi
3.0 star property
Naka Ward
9.0 out of 10, Wonderful, (46 reviews)
"Good budget hotel to stay there"
United States
Kenichi
The price is AED 195
AED 215 total
23 Nov - 24 Nov
Toyoko Inn Hamamatsu-eki Minami-guchi
A hotel named Hotel Sorriso with a modern architectural design, featuring a prominent sign and reflective glass windows.

18. Hotel Sorriso Hamamatsu

Hotel Sorriso Hamamatsu
3.0 star property
Naka Ward
8.4 out of 10, Very good, (517 reviews)
"I had another comfortable stay at this hotel! Its location is very convenient, as it is just a short walk from Hamamatsu Station. The staff are always friendly and welcoming, and the complimentary breakfast is excellent! I really enjoyed my stay and will definitely come back the next time I visit Hamamatsu."
United States
Kio
The price is AED 188
AED 228 total
29 Nov - 30 Nov
Hotel Sorriso Hamamatsu
A modern indoor swimming pool with a wooden ceiling and tiled floor, surrounded by black seating and potted plants.

19. Hotel Route Inn Toyohashi Ekimae

Hotel Route Inn Toyohashi Ekimae
3.0 star property
Toyohashi
8.8 out of 10, Excellent, (484 reviews)
"The hotel was clean, comfortable and conveniently located to everything necessary. The staff was incredibly helpful."
Canada
Aleena
The price is AED 234
AED 258 total
23 Nov - 24 Nov
Hotel Route Inn Toyohashi Ekimae
A spacious lobby with a high ceiling, a central column, and a staircase leading to an upper level.

20. Okura Act City Hotel Hamamatsu

Okura Act City Hotel Hamamatsu
4.5 star property
Naka Ward
9.2 out of 10, Wonderful, (1,001 reviews)
"Location is great"
Mexico
Francisco
The price is AED 384
AED 465 total
13 Dec - 14 Dec
Okura Act City Hotel Hamamatsu
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.
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Stay near popular Kosai attractions

Arai Beach

7.0/10 (2 reviews)
Why not spend a carefree afternoon at Arai Beach during your travels in Kosai?
See properties

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.

See all hotels in Kosai
A traditional Japanese gate with a tiled roof and a sign with Japanese characters.

Top Kosai Hotel Reviews

Exterior
Grand Mercure Lake Hamana Resort & Spa

Grand Mercure Lake Hamana Resort & Spa

Grand Mercure Lake Hamana Resort & Spa
Nishi Ward

10/10 Excellent

I really enjoyed my stay here. The onsen was so nice and well maintained. They offered drinks in a lounge like area before entering the onsen and after you get out. The local tea was so good, I think it was called usuchatou (the spelling might be wrong). The rooms were nice. The breakfast was so delicious and had a big variety. We were a group of 4 and stayed in a traditional Japanese style room and as Americans it was our first time having to lay out futons so it was fun. The staff were...
United States
alexandra
Reviewed October 20, 2026
Grand Mercure Lake Hamana Resort & Spa

Frequently Asked Questions

What are some of the best vacation rentals that Kosai has to offer?

CORRUGATED HOUSE - CORRUGATED HOUSE / Toyohashi Aichi: This vacation home rental near Kosai has air-conditioning and free WiFi to help you feel perfectly comfortable in your new surroundings. Kitchen amenities include a fridge, a stovetop, and kitchenware. See all vacation rentals in Kosai.

If I need to cancel my hotel reservation in Kosai, will I receive a refund?

Yes, you'll find most hotel bookings are fully refundable if cancelled before the accommodation's cancellation deadline, which often is within 24-48 hours of your check-in date. If you have a reservation that's non-refundable, you might still have the option to cancel and get a refund within 24 hours of your booking. Filter your search by fully refundable to find flexible hotel deals in Kosai.

Where can I learn more about changing or cancelling my trip to Kosai?

For more details about updating your trip to Kosai or cancelling it, head over to our customer service page.

What are some accommodations with pools in Kosai?

Grand Mercure Lake Hamana Resort & Spa: Offers a children's pool, a seasonal outdoor pool, and spa services. View all hotels with pools in Kosai.

What's the best hotel for staying near Chubu Centrair International Airport (NGO)?

Centrair Hotel is a popular 3.5-star hotel featuring a restaurant and free WiFi. It's located a short 0.1 mi (0.2 km) from Chubu Centrair Intl. Airport. Other choices near the airport are Toyoko Inn Chubu International Airport No.2 and Four Points by Sheraton Nagoya, Chubu International Airport.

What's it like to stay in Kosai?

Visitors can enjoy all that Kosai has to offer including its beaches. In Kosai, there are 6 hotels and other accommodations to choose from. Find out more about Kosai.

What should I do while I'm visiting Kosai?

Natural beauty is on display at Lake Hamana, Arai Beach, and Arai Benten Beach. Additionally, you might want to add Sakichi Toyoda Memorial House to your itinerary. Check out what more to see and do in Expedia's Kosai guide.

What's the seasonal weather like in Kosai?

The hottest months are usually August and July with an average temp of 76°F, while the coldest months are January and February with an average of 46°F. The rainiest months in Kosai are July, June, September, and October, with each month seeing an average of 12 inches of rainfall.

What's the best place for a stay in Kosai?

Based on our traveler data, Hotel Route Inn Hamanako is one of the top choices for your stay. This hotel offers a restaurant and free parking. Tabist Kosai Hamanako no Yado is another good option for your stay. See all available top hotels, or vacation rentals in Kosai.