Marion Bay Rental and Accommodation Managers - Yorke Peninsula in South Australia. For all your property rental needs. Marion Bay is renowned for it's surfing, fishing, diving, swimming, relaxing, boating, sailing, hang gliding, trail bike riding and generally having a great fun time. Stay at any of the following great holiday homes : Alegria, Beachaus, Bonnie Doon, Casa Del Mar, Hoppy's place, J.B.'s, Ocean Spray or Shearwater Revival