If you’re home with little kids this summer, you know how quickly the days can start to feel very long. I always try to have a few simple, hands-on activities ready to go—especially ones that keep kids busy, learning, and off screens for a little while.

That’s why I love this collection of 30 ocean-themed activities for preschool, Pre-K, and kindergarten.

Everything is designed to feel like summer fun while still building important early learning skills. Kids get to do activities like:

Feeding sharks
Building aquariums
Treasure hunts
Seashell math games
Ocean crafts and sensory bins
Movement games and art projects

The best part is that the activities are low prep and easy to set up. Each one comes with simple directions, making it manageable even on busy summer days.

Whether you’re looking for rainy day ideas, summer learning activities, or just something fun to break up the day, these ocean-themed activities are an easy way to keep little learners engaged all June long. 🌊🐚🐠