When choosing the right beach bag in Australia, consider size, material, and features. Opt for a spacious bag with durable, water-resistant material to protect your belongings from sand and water. Look for reinforced straps for comfortable carrying and multiple pockets for organization. Consider features like insulated compartments for drinks or built-in waterproof pouches for valuables. Choose a stylish design that suits your taste and complements your beachwear for a functional and fashionable accessory.