Holbox is a 3 hour drive from Cancun.
You might want to consider Cozumel. The surfing is OK, but the kite boarding is great.
I can get you a deluxe house on the beach at the Country Club that will sleep up to 15.
Kite right out front.
Lots of other rental options.
5 minutes from the airport and town.
Tom
http://www.cozumeltom.com