There are many top-rated, luxury hotels to stay in South Australia. If you’re looking for a vineyard retreat in the heart of the Barossa Valley, stay a night or more at the stunning Louise Retreat, made extra special with a dinner at its fine-dining Appellation Restaurant. For a boutique stay in Adelaide, you can’t go past the stylish Oval Hotel, where world-renowned dining and light-filled, contemporary rooms make for the perfect base for your CBD stay.