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

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Check availability on Kosai Beach Resorts & Hotels

Next weekend
6 Nov - 8 Nov
In two weeks
13 Nov - 15 Nov

Our top choices for Kosai beach hotels

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
3.0 star property
Kosai
8.0 out of 10, Very good, (214 reviews)
"Quite place & clean ,Parking is wide"
Japan
RESTITUTA BULFA
The price is Rp1.358.547
Rp1.494.402 total
8 Nov - 9 Nov
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 Rp565.824
Rp622.406 total
11 Nov - 12 Nov
Tabist Kosai Hamanako no Yado
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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Choose what matters most at beach hotels in Kosai

Pool
Breakfast included

Top Kosai Hotel Reviews

Okura Act City Hotel Hamamatsu

Okura Act City Hotel Hamamatsu

10/10 Excellent
"Everything was absolutely amazing"
Adam 4-night trip
Posted 1 day ago
Okura Act City 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.