In general for all privately owned accommodations on this site:

• There is a minimum stay (or payment) of 4 nights required. Bookings 
  will be automatically confirmed. 
   
• Bookings for 3 nights will be only accepted when you make a last-minute
  (3 days before arrival) ánd from November 15 until March 14. There is 
  however always a minimum stay (or payment) of 4 nights for the 
  charters.  
• There is a minimum of 7 nights between December 24 and January 4.