Visit Algarve, Portugal’s most popular vacation destination. Algarve is the southernmost region of Portugal and sits on the coast of the Atlantic Ocean. People love this city due to the clean beaches and cool, unpolluted waters. It is also very safe and relatively cheap. Peak travel season in Algarve is from July to August. Stay in Algarve holiday rentals or vacation rentals in Algarve while you are in town. Algarve holiday rentals and vacation rentals in Algarve tend to be more affordable than hotels.