Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Lagos (77% of total searches to Southwest Alentejo and Vicentine Coast Natural Park). The next most popular destinations are Sagres (13%) and Vila Nova de Milfontes (5%). Searches for hotels in Burgau (5%) are also popular.
KAYAK users have found double rooms in Southwest Alentejo and Vicentine Coast Natural Park for as cheap as €61 (Vila Nova de Milfontes) in the last 3 days. The average price is €131.