How to Discover the Best Secret Beaches on the Algarve, Portugal The Algarve is one of the most breathtakingly beautiful places in the world. Situated on the Southern coast of Portugal, this cluster of towns is often referred to as the golden triangle, which is because of all of the stunning blue flag beaches, which call to tourists all over Europe. The coast stretches for 160 kilometres of white sandy beaches, with crisp blue waters and quaint buildings, eateries and town centres. The golden triangle is the playground for the wealthy, with stretches of plush golf courses and stunning villas, however, the beaches are the winning factor and people travel from far and wide to bask in the Portuguese sunshine.