Looking for the best things to do with preschoolers on Long Island? Read on for our top picks to plan your next perfect preschool adventure.

From Nassau County to the East End and everywhere in between, there is no shortage of ways to entertain high-energy toddlers on Long Island. Little ones will delight in exploring a play cafe, visiting a new museum exhibit, bouncing the day away at a family fun center, or creating a masterpiece in an art class. 

We've put together a list of 30 exciting and memorable things to do on Long Island with preschoolers. The challenge is to complete the list before your preschooler turns five—so it's time to get planning!

For even more inspiration, check out our Guide to Entertaining Your Long Island Preschooler and the Best Classes for Preschoolers and Toddlers on Long Island. 

Preschoolers grow and develop faster than they will at any other time in their lives, and New Jersey gives us ample opportunities to fill their days with tons of opportunities to learn, laugh, and love life. Check out our mega-list below to advantage of the many play spaces, mommy-and-me classes, playgrounds, and other treasures the Garden State offers toddlers.

Bonus: In lots of cases, your kids will be young enough to score FREE admission.

For more can't-miss NJ offerings, check out 100 Things to Do in New Jersey with Kids Before They Grow Up and our rundown of NJ Attractions Offering free admission.

If you've got a little one at home, we've found the best things to do with preschoolers in NYC. Read on for our top picks for little-kid fun.

New York City doesn't lack awesome family events and institutions, but as a mom of two children under the age of 5, I'm always on the hunt for new ideas. These early years are fleeting, and I want to create lasting memories—within budgetary reason—manageable enough for little kids who sometimes still need a nap and a sippy cup.

So, inspired by our roundup of 100 things to do with kids in NYC before they grow up, we came up with this list of 31 things to do with preschoolers in NYC before they turn 5 and head to kindergarten. A few of our selections are well-known favorites with specific under-the-radar attractions perfect for preschoolers, while others are more off the beaten path, but all are things we've enjoyed doing with our own preschoolers or aspire to try soon! Find more ideas in our Guide to NYC for Preschoolers.

San Francisco offers endless opportunities to keep teens and tweens entertained—without the usual eye rolls. From music festivals to beach bonfires, there are a ton of local gems for older kids looking for a bit more adventure, culture, and excitement.

From exploring vibrant neighborhoods like Chinatown to tackling scenic hikes and thrilling attractions, this list is full of options that blend fun, adventure, and a bit of independence for older kids. If you're tired of hearing "I'm bored" or need time to reconnect with this particular age, this list of activities offers the perfect mix of fun and challenge for those teens and tweens. 

San Francisco neighborhoods are full of hidden gems and iconic landmarks for tweens and teens to explore, from Golden Gate Park to Chinatown and Fisherman's Wharf. 

Head to Squam Lakes Natural Science Center for outdoor fun and animal encounters!

Phoenix, Arizona is where I grew up. Though I traded Phoenix's dry heat for the humidity of Atlanta after college, I still regard myself as a Phoenician for life. With family and friends still there, we get to enjoy so many fun things to do in Phoenix whenever we visit. And what's really nice is now that I'm a mom, I get to revisit some of my favorite childhood attractions with my kids and discover awesome new things to do in Phoenix.

A trip to the Valley of the Sun makes for a perfect sun-soaked family vacation. Kids love all of the fun things to do in Phoenix, from the Phoenix Zoo to the Phoenix Art Museum. And for the adults, the resort spas are out of this world!

Here are the 50 top things to do in Phoenix with kids, including some great family-friendly restaurants and hotels. Check out our Western US Family Travel Guide for even more adventures out west, including our list of 51 top things to do with kids in Arizona.