Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Cancún (60% of total searches to Yucatan Peninsula). The next most popular destinations are Playa del Carmen (19%) and Tulum (17%). Searches for hotels in Puerto Morelos (4%) are also popular.
KAYAK users have found double rooms in Yucatan Peninsula for as cheap as $32 (Puerto Morelos) in the last 3 days. The average price is $310.