Here's a packing list to help get you started.
CLOTHING
Clothing for warm summer days: T-shirts, tanks, shorts, sandals
Your favorite activewear to get your sweat on
Warm sweater or outer layers for the brisk evenings
Rain jacket or light puffy jacket
Sun hat, beanie, ball cap
ACCESSORIES
Every day toiletries
Sunglasses
Sunscreen
Comfortable activewear shoes
Sandals or flip flops
GEAR
Flash light
Yoga mat
Insect repellent
Beach towel
OTHER IDEAS
Your journal + writing materials
Board games, handheld activities or cards to play
A book from your summer reading list
Squirt guns or water toys
Small coins for on-site laundry facilities