Praia de São Julião is a dramatic coastal stretch near Mafra, Lisbon District, known for its golden sands framed by towering cliffs and powerful Atlantic waves. This expansive beach spans over 8.5 km from Ericeira southward into Sintra, offering a mix of rugged beauty and recreational energy. Renowned as Ericeira’s 'swell magnet,' it attracts surfers with its consistent waves while providing serene spaces for beachcombing and sunset views. The atmosphere balances adventurous surf culture with family-friendly zones during calmer conditions[2][5].