Water shoes are useful for your Riviera Maya vacation for both the sea and the cenotes. Though water shoes are not necessary they have a purpose.
Things to Do in Riviera Maya with Kids
What to Pack for Riviera Maya, Mexico: Cancun, Tulum & More – Janine In the World
No Shoes Just Travel
Tips for an All-Inclusive Resort Vacation in Mexico - Fantabulosity
What to Pack for Riviera Maya, Mexico: Cancun, Tulum & More – Janine In the World
Tips for traveling to Cancun and the Riviera Maya - Barceló Experiences
Tulum Travel Guide - Lucy On Locale
Hotel Xcaret Parks Tips
Xcaret! Tips For Visiting This Natural Waterpark