A stone lantern, a pine tree, and a coastal view.

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Check availability on Kosai Beach Resorts & Hotels

Tonight
11 Oct - 12 Oct
Tomorrow
12 Oct - 13 Oct
Next weekend
16 Oct - 18 Oct
In two weeks
23 Oct - 25 Oct

Our top choices for Kosai beach hotels

A buffet line with various food items and condiments.
A multi-story hotel with a green roof and numerous windows.
A bathroom with a bathtub, a sink, a toilet, and a mirror.
A hotel room with a bed, a desk with a telephone, a television, and a window with curtains.

1. Hotel Route Inn Hamanako

Hotel Route Inn Hamanako
Kosai
฿2,503
฿2,753 total
9 Nov - 10 Nov
Hotel Route Inn Hamanako
A traditional Japanese-style room with tatami flooring, a woven rattan ottoman, and a view of a cityscape through large windows.
A hotel room with two beds, a TV, a desk, and a view of the water.
A restaurant with large windows offering a view of a sunset over a body of water.
A reception desk with a sign reading "LE SENSORIEL" and a potted plant in the foreground.

2. Grand Mercure Lake Hamana Resort & Spa

Grand Mercure Lake Hamana Resort & Spa
Nishi Ward
฿1,562
฿1,954 total
9 Nov - 10 Nov
Grand Mercure Lake Hamana Resort & Spa
A sunset over a calm body of water with a dock and boats.
A long dining table with various dishes and a central pot, surrounded by tatami mats.
A marina with several boats docked, a wooden pier extending into the water, and distant mountains in the background.
A cluttered storage area with various items, including boxes and debris, in a residential setting.

3. Minshuku Takahashi Kashibuneten

Minshuku Takahashi Kashibuneten
Nishi Ward
฿2,118
฿2,330 total
12 Oct - 13 Oct
Minshuku Takahashi Kashibuneten
The exterior of the Centurion Hotel with a clear view of the entrance, including the name and address.
A buffet with various dishes including seafood, salads, and noodles.
A long, narrow hotel corridor with wooden doors on both sides and a carpeted floor.
A hotel room with two beds, a bedside table, a phone, and a wall-mounted picture.

4. Centurion Hotel Hamamatsu

Centurion Hotel Hamamatsu
Naka Ward
฿913
฿1,004 total
18 Oct - 19 Oct
Centurion Hotel Hamamatsu
A modern bathroom with two sinks, a glass shower enclosure, and a large mirror.
A modern hotel lobby with a reception desk, seating area, and a large window providing natural light.
A wide, sandy beach with gentle waves in the background.
A hotel with a prominent sign, multiple floors, and surrounding commercial buildings.

5. Hotel Sorriso Hamamatsu

Hotel Sorriso Hamamatsu
Naka Ward
฿1,733
฿2,097 total
12 Oct - 13 Oct
Hotel Sorriso Hamamatsu
A building entrance with a tiled facade, a bench outside, and a glass door with signage.
A bathroom with a white sink, a bathtub, and a toilet.
A restaurant with round tables and chairs, a kitchen area, and large windows.
A hotel room with two beds, a large window with curtains, a wall-mounted light, and a small desk.

6. Toyoko Inn Hamamatsu Station

Toyoko Inn Hamamatsu Station
Naka Ward
฿1,838
฿2,022 total
12 Oct - 13 Oct
Toyoko Inn Hamamatsu Station
A modern kitchen with a large island, bar stools, and a city view through large windows.
A spacious lobby with a grand piano, seating area, and a large decorative column.
A tall, modern hotel with a curved facade and a prominent dome on top.
A spacious indoor venue with a curved seating arrangement, white columns, and large windows allowing natural light.

7. Okura Act City Hotel Hamamatsu

Okura Act City Hotel Hamamatsu
Naka Ward
฿3,697
฿4,474 total
18 Oct - 19 Oct
Okura Act City Hotel Hamamatsu
A library cafe with wooden tables and chairs, bookshelves, and a coffee bar.
A modern hallway with a large wall mural, carpeted flooring, and recessed lighting.
A modern library with wooden tables and chairs, bookshelves, and a large window with blinds.
A modern library with wooden tables and chairs, bookshelves, and hanging light fixtures.

8. Comfort Hotel Hamamatsu

Comfort Hotel Hamamatsu
Naka Ward
฿1,425
฿1,567 total
18 Oct - 19 Oct
Comfort Hotel Hamamatsu
A hotel lobby with a reception desk, glass doors, and a staircase.
A modern gym with exercise equipment, a wall of dumbbells, and large windows.
Bar (on property)
A modern hotel room with a large bed, a desk, a chair, and a small ottoman.

9. Crowne Plaza - ANA Hamamatsu by IHG

Crowne Plaza - ANA Hamamatsu by IHG
Naka Ward
฿1,668
฿2,534 total
18 Oct - 19 Oct
Crowne Plaza - ANA Hamamatsu by IHG
A modern hotel room with a bed, a leather sofa, and a large window with curtains.
A modern lounge area with leather sofas, a chandelier, and wall-mounted lighting fixtures.
A modern workspace with two monitors, a keyboard, and a mouse on a desk.
A modern hotel building with a prominent "HOTEL LEON" sign.

10. Hotel Leon Hamamatsu

Hotel Leon Hamamatsu
Naka Ward
฿1,129
฿1,242 total
12 Oct - 13 Oct
Hotel Leon Hamamatsu
View all properties

Choose what matters most at beach hotels in Kosai

Pool
Breakfast included
4 stars
5 stars
All-inclusive

Top Kosai Hotel Reviews

Okura Act City Hotel Hamamatsu

Okura Act City Hotel Hamamatsu

10/10 Excellent
"Another great Hotel in Japan I love it"
Ernesto 1-night trip
Posted 3 weeks ago
Okura Act City Hotel Hamamatsu
EN HOTEL Hamamatsu

EN HOTEL Hamamatsu

8/10 Good
"Overall the stay was great. I just wish there were more power outlets in the room. The one by the door was too loose and couldn't be used properly. There was one power strip on the wall but that was it The one thing we didn't like was the smoking room in one corner of the main lobby. Even though it has a door isolating it, the smell of cigarette was still strong around the lobby and reception area."
Guilherme 3-night trip
Posted 5 months ago
EN HOTEL Hamamatsu

Frequently asked questions

What is Kosai like for travellers who love the beach?
Find a great place to stay in Kosai, which has a lot to offer the traveller looking to book a beach holiday.
When's the best time for a beach holiday in Kosai?
You can plan your beach trip with a look at the seasons 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.
What is there to see and do around Kosai?
After arriving and checking into your hotel, you'll probably want to explore your surroundings. If you're eager to check out the beaches, head to Arai Benten Beach or Maisaka Beach for some relaxation by the water. Make time for a range of local attractions, which include Lake Hamana and Arai Beach. For additional things to see and do, consider a visit to Sakichi Toyoda Memorial House or Ogaji Temple.
What's the best way to get to my beach hotel in Kosai?
This travel information can help you get to and around your beach accommodation in Kosai with ease. The closest major airport is in Shizuoka (FSZ-Mt. Fuji - Shizuoka), located 38.5 mi (62 km) from the city centre. If you'd like to explore around the area, you may want a rental car for your journey.

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