Kosai Holidays

  • Plan, book, travel with confidence

  • Better together

    Save up to S$134 when you book a flight and hotel together*

  • Find the right fit

    With over 300,000 hotels worldwide, it's easy to create a perfect package

  • Rest easy

    Plan, book, and manage your trip all in one place

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

Hotel Route Inn Hamanako

3 out of 5
1049-1, Komi Kosai Shizuoka-ken
Fully refundableReserve now, pay when you stay
The price is S$93 per night from 8 Feb to 9 Feb
S$93
8 Feb - 9 Feb
8/10 Very Good! (188 reviews)
Nothing any defect, but just all facilities could be aged. If possible, and if I can suggest to you that it might be better some update.

Reviewed on 17 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 S$36 per night from 9 Feb to 10 Feb
S$36
9 Feb - 10 Feb
7/10 Good! (46 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 S$72 per night from 12 Jan to 13 Jan
S$72
12 Jan - 13 Jan
9/10 Wonderful! (1,010 reviews)
Room was very clean, beds were comfortable, the view was great, and the location is incredibly convenient.

Reviewed on 29 Dec, 2025

Hotel Associa Toyohashi
See all 183 properties in Kosai
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.

Explore a world of travel with Expedia

* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. Book Flight + Lodging, save up to 100% of flight price - Savings based on flight + lodging package prices as compared to the price of the same components available for booking separately before all discounts and rewards applied. Your bundled savings cover up to 100% of your flight. Savings vary based on origin/destination, length of trip, stay dates and travel suppliers. Savings not available on all flight + lodging package bookings.