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Check prices for these dates

Tonight
18 Jan - 19 Jan
Tomorrow
19 Jan - 20 Jan
Next weekend
23 Jan - 25 Jan
In two weeks
30 Jan - 1 Feb

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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, (46 reviews)
"Wonderful hotel. Very quiet. Our room was huge!"
United States
Sigrid
The price is AU$43
16 Feb - 17 Feb
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, (188 reviews)
"very good"
Japan
たく
The price is AU$107
17 Feb - 18 Feb
Hotel Route Inn Hamanako
Free daily continental breakfast

Tabist IWATA Station Hotel

Tabist IWATA Station Hotel
3.5 star property
Iwata
7.2 out of 10, Good, (151 reviews)
"it's reasonable. "
Japan
Takatosi
The price is AU$75
22 Jan - 23 Jan
Tabist IWATA Station Hotel
Exterior

Kuretake Inn Iwata

Kuretake Inn Iwata
3.0 star property
Iwata
8.4 out of 10, Very good, (65 reviews)
"The hotel and room were nice. The front desk staff was very helpful in securing us transportation for the following morning. "
United States
Wayne
The price is AU$186
30 Jan - 31 Jan
Kuretake Inn Iwata
Restaurant

Hotel Route Inn Iwata Inter

Hotel Route Inn Iwata Inter
3.0 star property
Iwata
8.4 out of 10, Very good, (184 reviews)
"Next to a small shopping center with a super market and a couple of restaurants. Hotel is right next to the highway exit"
United States
Evan
The price is AU$129
15 Feb - 16 Feb
Hotel Route Inn Iwata Inter
View from property

Marugen

Marugen
2.0 star property
Iwata
8.6 out of 10, Excellent, (23 reviews)
"近くの釣りスポットに行きやすかったです！"
Japan
mathui
Marugen
Lobby

GREENITY IWATA

GREENITY IWATA
3.0 star property
Iwata
9.8 out of 10, Exceptional, (30 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 AU$204
18 Feb - 19 Feb
GREENITY IWATA
Free toiletries, hair dryer, slippers, electronic bidet

Tennomaru

Tennomaru
4.0 star property
Kota
8.8 out of 10, Excellent, (20 reviews)
"朝食付きのプラン 1人づつのお膳でした。出来立ての卵焼きや魚の揚げ物が着席後に提供されました。大変美味しかったです。"
Japan
MASAYUKI
The price is AU$255
25 Jan - 26 Jan
Tennomaru
Spa

Hiranoya

Hiranoya
4.0 star property
Gamagori
7.8 out of 10, Good, (117 reviews)
"Yosh"
United States
Eric
The price is AU$160
29 Jan - 30 Jan
Hiranoya
Suite | Bathroom

Kaze no Tani no Iori

Kaze no Tani no Iori
4.0 star property
Kota
9.0 out of 10, Wonderful, (4 reviews)
"昨年から訪れ始めて今回が３度目です。何をとっても最高です。"
Japan
NORIAKI
The price is AU$826
20 Jan - 21 Jan
Kaze no Tani no Iori
Spa

Tenku Kaiyu no Yado Suehiro

Tenku Kaiyu no Yado Suehiro
3.5 star property
Nishiuracho
7.8 out of 10, Good, (54 reviews)
"Great dinner and breakfast. Enomous amount of food, including steak, lobster, fish, pork, rice, soup, dessert. Roof top onsen has a great view. The hotel is also walk distance to a famous sunset viewing spot. The room is a little bit old but clean and nice."
Saudi Arabia
Tyler Francis
The price is AU$305
9 Feb - 10 Feb
Tenku Kaiyu no Yado Suehiro
Front View Suite, Ocean View, East Wing

Hotel Meizanso

Hotel Meizanso
3.5 star property
Gamagori
9.0 out of 10, Wonderful, (17 reviews)
"Wonderful hotel and room. Great view of ocean. Onsen was really nice. Japanese breakfasts and dinners outstanding. Staff so very nice and helpful. I hope to go back some day. "
United States
Sally
The price is AU$315
21 Jan - 22 Jan
Hotel Meizanso
Lobby sitting area

Tabist Katahara Resort Gamagori

Tabist Katahara Resort Gamagori
2.5 star property
Gamagori
6.2 out of 10, (24 reviews)
"Considering the price, it makes sense"
Japan
しんいち
The price is AU$113
24 Jan - 25 Jan
Tabist Katahara Resort Gamagori
Japanese-style House , Ocean View

Gamagori Classic Hotel

Gamagori Classic Hotel
3.0 star property
Gamagori
8.2 out of 10, Very good, (17 reviews)
"見晴らしのよいお部屋でした。 夜の鉄板焼きもライブ感があり、楽しく美味しく頂けました。"
Japan
Mariko
The price is AU$379
20 Jan - 21 Jan
Gamagori Classic Hotel
Public bath

Hotel Route Inn Shinshiro

Hotel Route Inn Shinshiro
3.0 star property
Shinshiro
9.2 out of 10, Wonderful, (475 reviews)
"Very clean and very friendly staff."
United States
Jeremiah
The price is AU$119
30 Jan - 31 Jan
Hotel Route Inn Shinshiro
Courtyard

Henn na Hotel Lagunatenbosch

Henn na Hotel Lagunatenbosch
3.0 star property
Gamagori
8.2 out of 10, Very good, (191 reviews)
"Starting from entrance our baby really love it because of realistic Dinosaur’s that welcoming every guest,I was also surprised of a spacious room & very clean room very relaxing, And my husband really loved the breakfast a lot of choices and they prepared it perfect. "
United States
Carina
The price is AU$236
29 Jan - 30 Jan
Henn na Hotel Lagunatenbosch
Hot springs

Hotel Tatsuki

Hotel Tatsuki
3.0 star property
Nishiuracho
6.0 out of 10, (2 reviews)
"色々な温泉宿に行きましたが、食事最高でした。食べきれない位、量と質。老舗とあって、建物は古いですが、 また行きたいです。"
Japan
ミナミ
The price is AU$475
20 Jan - 21 Jan
Hotel Tatsuki
Public bath

Gamagori Hotel

Gamagori Hotel
3.0 star property
Gamagori
6.8 out of 10, (124 reviews)
"Quiet comfortable"
United States
Mario
The price is AU$89
19 Jan - 20 Jan
Gamagori Hotel
Spa

Hazu Bekkan

Hazu Bekkan
3.0 star property
Shinshiro
8.6 out of 10, Excellent, (12 reviews)
"This Ryokan was absolutely perfect. Train station literally across the street. Quiet area and the property itself was spectacular. Rooms were spacious, food was delicious. Also, onsen near the lake was peaceful. I would highly recommend staying here."
United States
Channing
Hazu Bekkan
Public bath

Hamanako Wan Wan Paradise Hotel

Hamanako Wan Wan Paradise Hotel
3.0 star property
Nishi Ward
8.4 out of 10, Very good, (47 reviews)
"清潔感も、ペットへのサービスも、お料理も満足感高い。 出来れば、浴衣の上着とか、お風呂のボディタオルとかがあると嬉しい。"
Japan
Hiroshi
The price is AU$202
22 Jan - 23 Jan
Hamanako Wan Wan Paradise Hotel
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

Why not spend a care-free afternoon at Arai Beach during your travels in Kosai?
See properties

Arai Benten Beach

Why not spend a care-free afternoon at Arai Benten 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

Recent Reviews in Kosai

Hotel Arc Riche Toyohashi

Hotel Arc Riche Toyohashi

10/10 Excellent
"A modern and newly built hotel offering complimentary drinks in a pleasant library-style bar. The location is very convenient, with many restaurants and shops nearby, and it also offers a great view of the city. We enjoyed our stay."
Echo 1-night trip
Posted 8 days ago
Hotel Arc Riche Toyohashi

More cheap accommodation in Kosai

HOTEL LiVEMAX Hamamatsu-Ekimae

HOTEL LiVEMAX Hamamatsu-Ekimae

Kajimachi Plaza 6F Hamamatsu
The price is AU$55 per night from 9 Feb to 10 Feb
AU$55
9 Feb - 10 Feb
7/10 Good! (297 reviews)

Frequently asked questions

What's the best place for a stay in Kosai?
Hotel Route Inn Hamanako is ranked highly by Expedia customers. This hotel is a short 7-minute walk from Lake Hamana, and it offers a restaurant and free parking. Tabist Kosai Hamanako no Yado is another favourite option for your trip based on reviews. See all available top hotels, or vacation rentals in Kosai.
What are some of the best holiday rentals that Kosai has to offer?
Shell Beach Hamana Lake Relax with the sound of - Osaki Villa / Hamamatsu Shizuoka: This holiday home rental outside of Kosai offers a garden, a BBQ and air conditioning to help you feel perfectly comfortable in your new surroundings. Kitchen amenities include a fridge, a stovetop and a microwave. See all vacation rentals in Kosai.
If I need to cancel my hotel reservation in Kosai, will I receive a refund?
Yes! The majority of hotel room reservations are fully refundable provided that you cancel prior to the hotel's cancellation deadline, which is often 24 or 48 hours before your arrival date. If you booked a non-refundable reservation, you may still be able to cancel and be given a refund within 24 hours of booking. Filter your search by fully refundable to find flexible hotel deals in Kosai.
What are some accommodation options with pools in Kosai?
Grand Mercure Lake Hamana Resort & Spa: Hotel, 1-minute walk from Lake Hamana. Provides a children's pool, a seasonal outdoor pool and spa services. View all hotels with pools in Kosai.
What's it like staying in Kosai?
Visitors can enjoy all that Kosai has to offer, including its beaches. In Kosai, there are 7 hotels and other accommodation options to choose from. Find out more about Kosai.
What should I see while I'm in 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. Take a look at what more there is 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 temperature of 25°C, while the coldest months are January and February, with an average of 8°C. The rainiest months in Kosai are July, June, September and October, with each month seeing an average of 293 mm of rainfall.

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