Spacious, family-friendly Blue Flag beach in Hermanus, ideal for walks, swimming, scenic views, and seasonal whale watching. Grotto Beach is a Blue Flag beach located in Hermanus, renowned for its expansive sandy shoreline and ideal conditions for walking, sunbathing, and swimming. It offers clean facilities, family-friendly amenities, scenic mountain backdrops, and seasonal whale watching. It's one of the longest beaches in the region, stretching into the Walker Bay Nature Reserve.