Well until I find more great ideas on here!! Here they are:
Pic#1 - Flip flop cards from OTC and Spanish for Dummies (Target)
Pic#2 - Margarita Mix - personalized at theknot.com
Pic#3 - Purell, 2 SPF 15 Avon chapsticks, Sunscreen on a rope (all from EBAY)
Pic#4 - Kids Palm Tree Coloring Kit - colors, paper, stickers (OTC)
Pic#5 - Beach Bags (in blue, purple, pink) (OTC)