Praia do Submarino in Alvor, Portugal, is a hidden gem among the vast coastline, offering a unique beach experience with its golden sand stretching across a modest length. This secluded beach is a haven for those looking to escape the hustle and bustle of more crowded destinations. Activities here are more nature-focused, including sunbathing, swimming, and exploring the scenic beauty of its surroundings. Praia Do Submarino has few amenities, so plan your trip accordingly, although it does allow nude sunbathing, which makes it quite unique among the beaches in the area.