Kosai Holidays

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Your Kosai Holiday

Well known for its coastal scenery and unspoiled nature, Kosai is a fantastic getaway destination. Book one of our Kosai holiday packages and enjoy all that this impressive city has to offer. If your trip to Kosai includes a little sightseeing, drop by much-loved attractions like Arai Benten Beach, Arai Beach and Maisaka-shuku Waki-Honjin. Don't put off visiting this destination any longer. Your ultimate Kosai holiday is just a few clicks away with Expedia.

Kosai Holiday

Kosai Beach Holiday

Forget about the stresses of daily life and let your mind, body and soul unwind on your Kosai holiday. There's nothing more invigorating than a cool ocean breeze and the soothing sound of waves crashing onto the shore. Organise your trip to Kosai the easy way by locking in one of our Kosai holiday packages. Many people decide to base themselves near Arai Benten Beach, a local highlight only 6 kilometres from the city centre.

Things You Should Know About Kosai

  • If you've been dreaming of that seaside lifestyle, check out our Kosai beach hotels. Water views and salty sea air — what more could you want?
  • Our hotels, like The Villa Hamanako and Kuretake Inn Hamanako, are a hit with visitors of all types. Check out the facilities and get ready for your holiday in Kosai!
  • Around 43 700 people live in Kosai. If you'd like some tips about what to see and do around these parts, why not chat to a couple of the locals? Our Kosai things to do page is also a handy source of information.
  • Kosai holiday deals are one of the best ways to save on incredible experiences. Some ideas, such as Arai Benten Beach, Myoryuji Temple and Ogaji Temple, should be at the very top of your to-do list.

Kosai Essential Information

Language
Japanese
Currency
Japanese yens
Local Welcome
Konnichiwa
Local Goodbye
Sayōnara
Population
43,700
Max Temp Winter
10ºC
Max Temp Summer
27ºC
Top Sights
Hamanako Palpal Theme Park, Hamamatsu Castle and Hamamatsu City Zoo

Our pick of the best Kosai Hotel Deals

Hotel Route Inn Hamanako

Hotel Route Inn Hamanako

3 out of 5
1049-1, Komi Kosai Shizuoka-ken
Fully refundableReserve now, pay when you stay
The price is AU$108 per night from 1 Dec to 2 Dec
AU$108
1 Dec - 2 Dec
8/10 Very Good! (182 reviews)
丁寧でした

Reviewed on 2 Nov 2025

Hotel Route Inn Hamanako
Tabist Kosai Hamanako no Yado

Tabist Kosai Hamanako no Yado

2 out of 5
1253-1 Ochiba Kosai Shizuoka
Fully refundableReserve now, pay when you stay
The price is AU$45 per night from 30 Nov to 1 Dec
AU$45
30 Nov - 1 Dec
7/10 Good! (45 reviews)
Good overall
It's was really good, I forgot to ask for an early check-in but theh saw me sitting outside waiting let me check in early which was super nice, I did nock to ask if I could leave my bags but the only staff there at the time was deaf, so that's okay. The room was good and comfy and warm. And the bath ...

Reviewed on 10 Feb 2025

Tabist Kosai Hamanako no Yado
Hotel Associa Toyohashi

Hotel Associa Toyohashi

4 out of 5
Nishijuku-cho, Hanada-cho Toyohashi Aichi-ken
The price is AU$82 per night from 30 Nov to 1 Dec
AU$82
30 Nov - 1 Dec
9/10 Wonderful! (983 reviews)
Good

Reviewed on 13 Nov 2025

Hotel Associa Toyohashi
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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