According to BrandMapp 2022, available through Eighty20’s Data Portal, Sea Rescue magazine has a higher proportion of readers in Gauteng (34%), an inland province, than in KwaZulu-Natal (12%) and Western Cape (26%), both coastal provinces. Sea Rescue magazine is published by the National Sea Rescue Institute, a volunteer-based organization that offers safety and educational services to communities around South Africa.

Sources: one, two

Analyse this data yourself on the Eighty20 Data Portal