CHIQUILA DOCK is the point if you want to arrive to Holbox. It is a small town in the north of Quintana Roo. Also works like a fishing port but the principal activity is the tourims too Holbox. There are no hotels but the port works every day for the tourits who arrive finding to swim with whale sharks, specially from June to August.
Economical rustic restaurants and parking lots for a modest daily allowance are all you can find in Chiquila. You can arrive from Cancun taking the free hisgway to Valladolid, where you turn right to Chiquila. There is a private transportation from Cancun airport (you can check it in the website) and buses leaving from Merida City (Yucatan).