Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Lagos (90% of total searches to Southwest Alentejo and Vicentine Coast Natural Park). The next most popular destinations are Sagres (4%) and Vila Nova de Milfontes (4%). Searches for hotels in Praia da Luz (2%) are also popular.
KAYAK users have found double rooms in Southwest Alentejo and Vicentine Coast Natural Park for as cheap as C$ 66 (Lagos) in the last 3 days. The average price is C$ 326.