Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Ancona (61% of total searches to Marche). The next most popular destinations are Civitanova Marche (20%) and Porto D'Ascoli (10%). Searches for hotels in Sirolo (10%) are also popular.
KAYAK users have found double rooms in Marche for as cheap as €39 (Gabicce Mare) in the last 3 days. The average price is €124.