
Kosai Holidays
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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.
Top hotels in Kosai

Hotel Route Inn Hamanako
1049-1, Komi, Kosai, Shizuoka-ken
Fully refundableReserve now, pay when you stay
The price is Rp1.249.894 per night from 22 Jul to 23 Jul
Rp1.249.894
Rp1.374.928 total
22 Jul - 23 Jul
8/10 Very Good! (174 reviews)
"宿泊者が多いので、朝食は時間をずらした方がいいです。"
Reviewed on 15 May 2025

Tabist Kosai Hamanako no Yado
1253-1 Ochiba, Kosai, Shizuoka
Fully refundableReserve now, pay when you stay
The price is Rp538.747 per night from 25 Jun to 26 Jun
Rp538.747
Rp592.622 total
25 Jun - 26 Jun
6.8/10 (44 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

Richmond Hotel Hamamatsu
218-1, Motoshiro-cho, Chuoh-Ward, Hamamatsu, Shizuoka
Fully refundableReserve now, pay when you stay
8.8/10 Excellent! (478 reviews)
"A little older than some of the other business hotels, but I find this the best. Has a lot of good free toiletries, larger rooms and good desk space in your room to work. Best of all AC worked with no smell"
Reviewed on 22 May 2025
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.
Frequently asked questions
Popular places to visit
Arai Beach
Why not spend a care-free afternoon at Arai Beach during your travels in Kosai?
* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages.