Find Kid Friendly Hotels in Kosai

  • Plan, book, stay with confidence
  • bex rewards loyalty icon
    Be picky
    Search almost a million properties worldwide
    payments icon
    Treat yourself
    Sign in to save 10% or more on thousands of hotels
    today icon
    Change your mind
    Book hotels with free cancellation

Top Family friendly Hotels in Kosai

Beautiful view of the beach with palm trees

Black Friday: Members save 30%+

Members save 30%+ on selected hotels until 4 Dec (property time) with our Black Friday deals. Stay by 15 Dec 2025.

Frequently asked questions

What's Kosai like for family-friendly holidays?
If you’ve been thinking about a trip with your children, the historic destination of Kosai is a good choice. The beaches here makes this a great holiday spot for families. Take to the air and fly into Shizuoka (FSZ-Mt. Fuji - Shizuoka), which is located 38.5 mi (62 km) from the city centre.
What's the best accommodation option when travelling with children to Kosai?
Tabist Kosai Hamanako no Yado is a guesthouse with free parking and laundry facilities, and it’s a top choice on Expedia for families. Hotel Route Inn Hamanako is another good choice for your child-friendly holiday.
When's the best time to book a family-friendly holiday 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's there to see and do with your family in Kosai?
Hamanako Garden Park and Suzuki Plaza are interesting attractions that you and your family may enjoy exploring while you are staying in Kosai. Make sure that you have lots of time for activities such as Hamanako Palpal Theme Park and Hamamatsu City Zoo.