Marion Bay Beach, located at the southern tip of Yorke Peninsula, offers both sheltered swimming beaches and excellent surf spots, making it a versatile destination for families and thrill-seekers alike. It serves as the gateway to the stunning Dhilba Guuranda–Innes National Park, known for its rich biodiversity and picturesque landscapes. The area's serene beauty, coupled with its diverse recreational opportunities such as fishing and bushwalking, makes it an attractive holiday spot. The town's population swells during holidays, transforming it into a lively yet tranquil retreat.
Marion Bay's history is tied to the gypsum mining industry, with the bay's jetty once used for exporting gypsum. Today, it remains a unique fishing destination.
The region's autumn mullet run is a significant draw for anglers, while the nearby national park provides ample opportunities for nature lovers and adventure seekers.