Find hotels in Kosai from ￥4,487

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Dec 12 - Dec 13
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Dec 13 - Dec 14
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Dec 12 - Dec 14
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Our top choices for Kosai hotels

Terrace/patio
Tabist Kosai Hamanako no Yado

Tabist Kosai Hamanako no Yado

Tabist Kosai Hamanako no Yado
2.0 star property
Kosai
7.0 out of 10, Good, (45)
Japanese hospitality awaits at this waterfront guesthouse. Located near Lake Hamana and Sakichi Toyoda Memorial House, guests enjoy complimentary WiFi and parking. Mt. Fuji - Shizuoka Airport is a 66-minute drive, while Futagawa Station is just 18 minutes away.
"Wonderful hotel. Very quiet. Our room was huge!"
United States
Sigrid
The price is ￥4,060
￥4,487 total
Dec 21 - Dec 22
Tabist Kosai Hamanako no Yado
Food and drink
Hotel Route Inn Hamanako

Hotel Route Inn Hamanako

Hotel Route Inn Hamanako
3.0 star property
Kosai
8.0 out of 10, Very Good, (186)
Relax at this inviting Kosai retreat with free WiFi and parking. Enjoy Japanese cuisine at the restaurant or unwind with drinks at the bar. Located just a 10-minute walk from Lake Hamana, with easy access to Sakichi Toyoda Memorial House.
"very good"
Japan
たく
The price is ￥9,953
￥10,948 total
Dec 21 - Dec 22
Hotel Route Inn Hamanako
Restaurant
Richmond Hotel Hamamatsu

Richmond Hotel Hamamatsu

Richmond Hotel Hamamatsu
3.0 star property
Naka Ward
8.8 out of 10, Excellent, (604)
Located a 15-minute walk from Hamamatsu Station, this hotel offers easy access to Hamamatsu Castle and the Diorama Factory Museum. Guests consistently praise the helpful staff. Free WiFi and wired internet enhance the comfortable stay.
"Rightly recommended! "
United States
Priscilla Aparecida
The price is ￥7,910
￥8,819 total
Dec 21 - Dec 22
Richmond Hotel Hamamatsu
Exterior
Loisir Hotel Toyohashi

Loisir Hotel Toyohashi

Loisir Hotel Toyohashi
3.5 star property
Toyohashi
8.6 out of 10, Excellent, (621)
This business-friendly hotel offers 3 restaurants and complimentary perks including WiFi and parking. Close to popular attractions like Cocola Avenue and Kalmia Mall, guests consistently praise the helpful staff and clean, well-maintained rooms.
"Staff was great, the room was spacey and nicely furniture, including a sofa and a desk. You can tell the hotel is not new at all, but the bathroom was very modern and super clean, water pressure was very strong. All in all a great stay. Would definitely recommend or stay again if the opportunity arises."
United States
Alain
The price is ￥11,466
￥13,875 total
Dec 14 - Dec 15
Loisir Hotel Toyohashi
Hot springs
Dormy Inn EXPRESS Toyohashi Hot Spring

Dormy Inn EXPRESS Toyohashi Hot Spring

Dormy Inn EXPRESS Toyohashi Hot Spring
3.0 star property
Toyohashi
9.0 out of 10, Wonderful, (149)
Experience this modern hotel's soothing hot springs while exploring nearby Toyohashi City Museum and Yoshida Castle. Just a 12-minute walk from Toyohashi Station, guests enjoy convenient access to local attractions with free WiFi.
"so nice!! this hotel had top-notch facilities and outstanding hospitality!!"
Japan
SHUNSNKE
The price is ￥8,456
￥9,365 total
Dec 15 - Dec 16
Dormy Inn EXPRESS Toyohashi Hot Spring
Exterior
Okura Act City Hotel Hamamatsu

Okura Act City Hotel Hamamatsu

Okura Act City Hotel Hamamatsu
4.5 star property
Naka Ward
9.0 out of 10, Wonderful, (1000)
Luxury accommodation with 3 restaurants including Italian cuisine at Figaro. Just an 8-minute walk from Hamamatsu Station and close to the Museum of Musical Instruments. The helpful staff ensures a memorable stay in this well-maintained hotel.
"great breakfast."
United States
Owen
The price is ￥15,150
￥18,535 total
Jan 7 - Jan 8, 2026
Okura Act City Hotel Hamamatsu
Daily buffet breakfast (JPY 500 per person)
Okadaya Bayside

Okadaya Bayside

Okadaya Bayside
3.0 star property
Toyohashi
7.4 out of 10, Good, (45)
"good"
Japan
??
The price is ￥6,837
￥7,564 total
Dec 12 - Dec 13
Okadaya Bayside
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

Grand Mercure Lake Hamana Resort & Spa
4.0 star property
Nishi Ward
8.0 out of 10, Very Good, (600)
Relaxation awaits at this Lake Hamana hotel with seasonal pools for all ages. Enjoy pampering massages, garden strolls, and on-site dining after exploring nearby Hamanako Garden Park, with free WiFi and parking for convenience.
"Great location!"
United States
Bilal
The price is ￥9,669
￥12,000 total
Jan 8 - Jan 9, 2026
Grand Mercure Lake Hamana Resort & Spa
Free toiletries, hair dryer, slippers, electronic bidet
Tennomaru

Tennomaru

Tennomaru
4.0 star property
Kota
8.8 out of 10, Excellent, (18)
Immerse in authentic hospitality at this Japanese ryokan offering spa treatments and delicious cuisine at Hoshi no Fune restaurant. Enjoy convenient free WiFi, parking, and train station pickup while exploring nearby Gamagori attractions.
"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 ￥22,528
￥24,781 total
Dec 23 - Dec 24
Tennomaru
Exterior
Comfort Hotel Hamamatsu

Comfort Hotel Hamamatsu

Comfort Hotel Hamamatsu
3.0 star property
Naka Ward
8.6 out of 10, Excellent, (434)
Complimentary full breakfast starts your day at this centrally located Hamamatsu hotel. Just a 4-minute walk from the station, with easy access to Hamamatsu Science Museum and Observation Deck. Guests consistently praise the attentive staff and convenient free WiFi.
"Perfect stay for both business and personal."
United States
YASUHIDE
The price is ￥6,364
￥7,000 total
Dec 14 - Dec 15
Comfort Hotel Hamamatsu
Exterior
Hotel Associa Toyohashi

Hotel Associa Toyohashi

Hotel Associa Toyohashi
4.0 star property
Toyohashi
9.0 out of 10, Wonderful, (997)
Japanese dining options await at this well-maintained hotel just 1 minute from Toyohashi Station. Relax in the welcoming lobby lounge with a drink, or explore nearby Kalmia Mall and Cocola Avenue. Guests love the property condition and convenient transit connections.
"Staff were very kind !"
Canada
Yosuke
The price is ￥8,143
￥9,852 total
Dec 14 - Dec 15
Hotel Associa Toyohashi
Public bath
Gamagori Hotel

Gamagori Hotel

Gamagori Hotel
3.0 star property
Gamagori
6.8 out of 10, (121)
Located near Takeshima Fantasy Museum and Mt. Kobo, this hotel offers relaxing massages and body treatments. Guests appreciate the convenient free WiFi, complimentary parking, and easy access to Gamagori Station.
"Quiet comfortable"
United States
Mario
The price is ￥9,000
￥10,200 total
Dec 12 - Dec 13
Gamagori Hotel
Public bath
Hotel Route Inn Shinshiro

Hotel Route Inn Shinshiro

Hotel Route Inn Shinshiro
3.0 star property
Shinshiro
9.2 out of 10, Wonderful, (467)
Within a 5-minute walk of Shinshiro Station, this hotel offers complimentary WiFi and parking. Visit nearby Sakurabuchi Park and Shitaragahara Battlefield. Guests consistently praise the helpful staff for enhancing their stay in this convenient Shinshiro location.
"Nice spa, with free breakfast and a coffee area lounge. "
United States
Dwight
The price is ￥11,280
￥12,480 total
Dec 24 - Dec 25
Hotel Route Inn Shinshiro
Property amenity
Hotel Crown Hills Toyokawa

Hotel Crown Hills Toyokawa

Hotel Crown Hills Toyokawa
3.0 star property
Toyokawa
7.0 out of 10, Good, (157)
Experience convenience with a 2-minute walk to Toyokawa Station. This hotel offers a complimentary buffet breakfast daily, plus free WiFi and parking. Nearby attractions include Toyokawa City Sakuragaoka Museum and Central Library.
"全体的に高評価でした。"
Japan
Masataka
The price is ￥8,391
￥10,266 total
Dec 24 - Dec 25
Hotel Crown Hills Toyokawa
Exterior
Hotel Ascent Hamamatsu

Hotel Ascent Hamamatsu

Hotel Ascent Hamamatsu
3.0 star property
Naka Ward
7.6 out of 10, Good, (154)
Experience easy exploration with the train station just a 4-minute walk away. This hotel offers free WiFi while popular attractions like the Hamamatsu Observation Deck and Science Museum await nearby. Mt. Fuji views create a memorable backdrop.
"チェックインもスムーズで、質問にも答えてくださって良かったです"
Japan
FUYUKA
The price is ￥7,182
￥7,900 total
Dec 14 - Dec 15
Hotel Ascent Hamamatsu
Restaurant
HOTEL SUI HAMAMATSU

HOTEL SUI HAMAMATSU

HOTEL SUI HAMAMATSU
3.5 star property
Naka Ward
9.2 out of 10, Wonderful, (263)
Located just a 12-minute walk from Hamamatsu Station, this hotel offers convenient access to Hamamatsu Castle and Diorama Factory Museum. Free WiFi enhances your stay while the 24-hour front desk ensures round-the-clock assistance.
"breakfast was curated of local food, absolutely loved it. "
United States
Tian
The price is ￥9,081
￥10,057 total
Jan 4 - Jan 5, 2026
HOTEL SUI HAMAMATSU
Spa
Tenku Kaiyu no Yado Suehiro

Tenku Kaiyu no Yado Suehiro

Tenku Kaiyu no Yado Suehiro
3.5 star property
Nishiuracho
7.8 out of 10, Good, (53)
Immerse in rejuvenating hot springs at this traditional ryokan in Gamagori. Minutes from Nishiura Onsen, the property offers complimentary beach shuttle and parking. Enjoy tranquil ocean vistas while experiencing authentic Japanese hospitality.
"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 ￥28,481
￥32,121 total
Jan 5 - Jan 6, 2026
Tenku Kaiyu no Yado Suehiro
Property amenity
Comfort Hotel Toyokawa

Comfort Hotel Toyokawa

Comfort Hotel Toyokawa
3.0 star property
Toyokawa
8.6 out of 10, Excellent, (120)
Wake up to a complimentary buffet breakfast at this convenient Toyokawa hotel near the train station. Enjoy free WiFi and parking while exploring nearby Toyokawa Central Library and Geo Space Hall. Just a short drive from Odabuchi Station for easy regional access.
"It little bit difficult to find the hotel from train station. Well price and service"
United States
Rika
The price is ￥7,818
￥8,600 total
Dec 21 - Dec 22
Comfort Hotel Toyokawa
Desk, blackout drapes, free WiFi, bed sheets
Hotel Leon Hamamatsu

Hotel Leon Hamamatsu

Hotel Leon Hamamatsu
3.0 star property
Naka Ward
8.4 out of 10, Very Good, (236)
Conveniently located a 9-minute walk from Hamamatsu Station, this hotel offers comfortable accommodations near popular attractions. Explore the Diorama Factory Museum or visit the Observation Deck, both within easy reach.
"closed to shopping area. The hotel staffs are so friendly and kind."
United States
Junko
The price is ￥5,455
￥6,000 total
Dec 14 - Dec 15
Hotel Leon Hamamatsu
Exterior
Centurion Hotel Hamamatsu

Centurion Hotel Hamamatsu

Centurion Hotel Hamamatsu
3.0 star property
Naka Ward
8.2 out of 10, Very Good, (107)
Discover cultural gems at this hotel just 9 minutes from Hamamatsu Station. Visit the Museum of Musical Instruments and enjoy panoramic views from the Observation Deck, all with free WiFi during your stay.
"Nice location to stay on drive from Tokyo to Osaka."
United States
Vwerosuo
The price is ￥4,578
￥5,060 total
Jan 5 - Jan 6, 2026
Centurion 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

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

Arai Benten Beach

Why not spend a carefree 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

HOTEL SUI HAMAMATSU

HOTEL SUI HAMAMATSU

10/10 Excellent
"breakfast was curated of local food, absolutely loved it. "
Tian 1-night trip
Posted 8 days ago
HOTEL SUI HAMAMATSU

More cheap stays in Kosai

HOTEL LiVEMAX Hamamatsu-Ekimae

HOTEL LiVEMAX Hamamatsu-Ekimae

Kajimachi Plaza 6F Hamamatsu
The price is ￥4,814 per night from Jan 6 to Jan 7
￥4,814
￥5,824 total
Jan 6 - Jan 7, 2026
7/10 Good! (293 reviews)

Hotels in Kosai with star-rating

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 is a short 7-minute walk from Lake Hamana, and it 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.
What are some of the best vacation rentals that Kosai has to offer?
Shell Beach Hamana Lake Relax with the sound of - Osaki Villa / Hamamatsu Shizuoka: This vacation home rental near Kosai offers a garden, a barbecue grill, 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, 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: Hotel, 1-minute walk from Lake Hamana. 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 7 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.

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