Getting from Lisbon to the beach is remarkably easy due to the city's coastal location and efficient public transport. The most popular choice is the Cascais coastline, accessible via the "Linha de Cascais" train from Cais do Sodré station. The train runs every 20 minutes and reaches beautiful spots like Carcavelos (15-20 mins) or the scenic town of Cascais (40 mins). For a more rugged experience, you can cross the Tagus River to Costa da Caparica. In 2026, the best way is to take the ferry from Cais do Sodré to Cacilhas (10 mins) and then catch a direct bus (like the 3011 or 3710) which takes about 35-50 minutes to reach the expansive sandy shores. Alternatively, those seeking the crystal-clear waters of Arrábida or Sesimbra typically require a car or a longer bus journey from Sete Rios station. For a quick "city beach" fix, even the local bus 728 can take you toward the riverside sands near Belém, though the Atlantic-facing beaches of Cascais and Caparica remain the gold standard for swimming and surfing.