Second Valley Beach, located on South Australia's Fleurieu Peninsula near the coastal town of Second Valley, is renowned for its striking geological formations and dual-beach layout. The eastern sandy beach offers calm swimming conditions, while the western boulder-strewn section features rock reefs ideal for snorkeling and scuba diving[1][3][5]. Visitors are drawn to its photogenic coastal cliffs, turquoise waters, and serene ambiance, with user-generated content highlighting its status as one of South Australia's most Instagrammed locations[1][4][5]. The beach's proximity to a small caravan park and historic landmarks contributes to its laid-back, nature-focused vibe.