
Kosai Trip
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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
Reviewed on 25 Aug 2025

Tabist Kosai Hamanako no Yado
Reviewed on 10 Feb 2025

Dormy Inn EXPRESS Toyohashi Hot Spring
Reviewed on 3 May 2025
Popular places to visit
Arai Beach
Why not spend a care-free afternoon at Arai Beach during your travels in Kosai?
Arai Benten Beach
Why not spend a care-free afternoon at Arai Benten Beach during your travels in Kosai?
Sakichi Toyoda Memorial House
You can learn about the history of Kosai with a visit to Sakichi Toyoda Memorial House. Stroll along the lakeside or discover the area's desert landscape.