the bridge is a wonderful and quick site to behold over looking the ocean view, plus a very nice state park to let kids go explore and find cool stuff on the beach.
if old military forts interest you and your family, fort Casey is a staple place to see around here. There is ample space for kids to run or even have a picnic and look at Puget sound.
Another great place for kids to run free. The beach here is amazing for picnics. l
Just wanting to drive around and see things. Whidbey island is full of cute small towns with lots of local eats. If you need any suggestions or recommendations just reach out to the couple.