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Check prices for these dates

Next weekend
Jun 5 - Jun 7
In two weeks
Jun 12 - Jun 14

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Our top choices for Kosai hotels

Terrace/patio

Tabist Kosai Hamanako no Yado

Tabist Kosai Hamanako no Yado
2.0 star property
Kosai
7.0 out of 10, Good, (49 reviews)
"Wonderful hotel. Very quiet. Our room was huge!"
United States
Sigrid
The price is NT$885
NT$974 total
May 31 - Jun 1
Tabist Kosai Hamanako no Yado
Food and drink

Hotel Route Inn Hamanako

Hotel Route Inn Hamanako
3.0 star property
Kosai
8.0 out of 10, Very Good, (198 reviews)
"Quite place & clean ,Parking is wide"
Japan
RESTITUTA BULFA
The price is NT$2,023
NT$2,225 total
Jun 30 - Jul 1
Hotel Route Inn Hamanako
Classic Suite, Multiple Beds (Japanese Western Style) | In-room safe, iron/ironing board, free WiFi, bed sheets

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, (653 reviews)
"Nice place, clean room and great facilities around the hotel complex. Free parking. Awesome breakfast with choices of different cuisine. "
Australia
Edmond
The price is NT$1,798
NT$2,235 total
Jun 29 - Jun 30
Grand Mercure Lake Hamana Resort & Spa
Lobby

GREENITY IWATA

GREENITY IWATA
3.0 star property
Iwata
9.8 out of 10, Exceptional, (43 reviews)
"Everything about the hotel was amazing. From the room layout and appearance to the bar and staff. I will definitely be staying here again the next time I come to Japan."
United States
Jonathan
The price is NT$3,778
NT$4,156 total
Jun 29 - Jun 30
GREENITY IWATA
Public bath

Hotel Route Inn Shinshiro

Hotel Route Inn Shinshiro
3.0 star property
Shinshiro
9.2 out of 10, Wonderful, (485 reviews)
"Very clean and very friendly staff."
United States
Jeremiah
The price is NT$2,033
NT$2,237 total
Jun 27 - Jun 28
Hotel Route Inn Shinshiro
Spa

Hazu Gassyo

Hazu Gassyo
3.0 star property
Shinshiro
8.8 out of 10, Excellent, (5 reviews)
The price is NT$11,696
NT$14,153 total
Jun 30 - Jul 1
Hazu Gassyo
Property amenity

Comfort Hotel Toyokawa

Comfort Hotel Toyokawa
3.0 star property
Toyokawa
8.6 out of 10, Excellent, (132 reviews)
"Simple but reliable and good hotel for a fair price. "
United States
Henry
The price is NT$1,417
NT$1,558 total
Jun 21 - Jun 22
Comfort Hotel Toyokawa
Hot springs

Hoshino Resorts KAI Enshu

Hoshino Resorts KAI Enshu
4.0 star property
Nishi Ward
10.0 out of 10, Exceptional, (22 reviews)
"Beautiful resort with a nice Onsen."
United States
Janet
The price is NT$13,426
NT$16,304 total
Jun 29 - Jun 30
Hoshino Resorts KAI Enshu
Free WiFi, bed sheets

Kuretake Inn Hamamatsu Nishi Inter

Kuretake Inn Hamamatsu Nishi Inter
3.0 star property
Naka Ward
8.0 out of 10, Very Good, (165 reviews)
"ワンドリンクサービスが良いです。"
Japan
Mami
The price is NT$3,680
NT$4,453 total
Jun 2 - Jun 3
Kuretake Inn Hamamatsu Nishi Inter
View from property

Marugen

Marugen
2.0 star property
Iwata
8.4 out of 10, Very Good, (28 reviews)
"洗面台ハンドル水漏れ、コンセント割れ危ない。窓網戸があまりに汚くさわる気にならない。カーテンをあけることはなかった。口コミは良い印象だったが、実際はそうでもなくて残念。値段が安くても最低限清潔にはしておいてほしい。"
Japan
Masahiro
The price is NT$2,486
NT$2,734 total
Jun 1 - Jun 2
Marugen
Suite | Bathroom | Shower, free toiletries, hair dryer, bathrobes

Kaze no Tani no Iori

Kaze no Tani no Iori
4.0 star property
Kota
9.4 out of 10, Exceptional, (6 reviews)
"とても素敵なお宿で ご飯も全部美味しく頂きました"
Japan
AI
The price is NT$15,627
NT$17,190 total
Jun 3 - Jun 4
Kaze no Tani no Iori
Spa

Hazuki

Hazuki
3.0 star property
Shinshiro
9.4 out of 10, Exceptional, (20 reviews)
"Nice"
Japan
Tomoki
The price is NT$8,070
NT$9,765 total
Jun 3 - Jun 4
Hazuki
Lounge

shunkeiroman ginpaso

shunkeiroman ginpaso
3.0 star property
Nishiuracho
10.0 out of 10, Exceptional, (2 reviews)
"スタッフの対応良かったです。景観よかったです。清潔で快適に過ごせました。"
Japan
HIROTAKA
The price is NT$13,256
NT$14,641 total
Jun 30 - Jul 1
shunkeiroman ginpaso
Luxury Tent | In-room safe, individually decorated, individually furnished

villa vacances hamanako

villa vacances hamanako
5.0 star property
Nishi Ward
The price is NT$19,885
NT$21,873 total
Jun 4 - Jun 5
villa vacances hamanako
Reception

Hotel Route Inn Hamamatsu Dealer Dori

Hotel Route Inn Hamamatsu Dealer Dori
3.0 star property
Higashi
8.6 out of 10, Excellent, (161 reviews)
"Thank you to all the kind staff and amazing facility."
Canada
Jia Yuan
The price is NT$2,364
NT$2,600 total
Jun 12 - Jun 13
Hotel Route Inn Hamamatsu Dealer Dori
Japanese-style House, Ocean View | In-room safe, iron/ironing board, free WiFi

Gamagori Classic Hotel

Gamagori Classic Hotel
3.0 star property
Gamagori
8.2 out of 10, Very Good, (20 reviews)
"古い建物であるが客室の清掃などは行き届きアメニティも充実、しかしなから廊下ドア建具など大きな補修が必要な所も多々ある。 夕食時メインダイニングにヴァイオリンの生演奏があり夜景を望む席でとても良かったです。"
Japan
Noriko
The price is NT$7,092
NT$8,581 total
Jun 28 - Jun 29
Gamagori Classic Hotel
Property amenity

Comfort Hotel Hamamatsu

Comfort Hotel Hamamatsu
3.0 star property
Naka Ward
8.6 out of 10, Excellent, (478 reviews)
"Perfect stay for both business and personal."
United States
YASUHIDE
The price is NT$1,253
NT$1,378 total
Jun 29 - Jun 30
Comfort Hotel Hamamatsu
Lobby

Toyoko Inn Toyohashi Station Higashi

Toyoko Inn Toyohashi Station Higashi
3.0 star property
Toyohashi
8.0 out of 10, Very Good, (246 reviews)
"The usual comfortable, efficient, friendly and value-for-money stay that we always experience at Toyoko Inn. "
Australia
John
The price is NT$2,034
NT$2,237 total
May 31 - Jun 1
Toyoko Inn Toyohashi Station Higashi
Exterior

Comfort Hotel Toyohashi

Comfort Hotel Toyohashi
3.0 star property
Toyohashi
8.8 out of 10, Excellent, (239 reviews)
"Room spacious & comfortable. Spotless presentation. Staff accommodating & helpful. Have stayed here before & would definitely come again. Visiting family in the area. Breakfast adequate - limited for vegetarians; still able to find enough to satisfy. "
Australia
Jeanette
The price is NT$1,471
NT$1,618 total
May 31 - Jun 1
Comfort Hotel Toyohashi
Hot springs

Dormy Inn EXPRESS Toyohashi Hot Spring

Dormy Inn EXPRESS Toyohashi Hot Spring
3.0 star property
Toyohashi
9.0 out of 10, Wonderful, (193 reviews)
"Nice size room and friendly staff!"
United States
Matthew
The price is NT$1,968
NT$2,164 total
May 31 - Jun 1
Dormy Inn EXPRESS Toyohashi Hot Spring
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

3.5/5 (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

Top Kosai Hotel Reviews

HOTEL SUI HAMAMATSU

HOTEL SUI HAMAMATSU

10/10 Excellent
"If you are sea eel lover , to be good to stay. And city accessibility is perfect. 711, kanesue super market are less than 10mints to go"
Morikazu 2-night trip
Posted 5 days ago
HOTEL SUI HAMAMATSU

More cheap stays in Kosai

Tabist Kosai Hamanako no Yado

Tabist Kosai Hamanako no Yado

1253-1 Ochiba Kosai Shizuoka
The price is NT$885 per night from May 31 to Jun 1
NT$885
NT$974 total
May 31 - Jun 1
7/10 Good! (49 reviews)

Frequently asked questions

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.
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 8 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 Arai Beach, Lake Hamana, 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.