Chimbu is right, there is no strip at Eurong, just the beach. The strip at Orchid Beach is short and rough, and I believe the resort is closed now. Fraser Island is beautiful, and not to be missed. Fly to Harvey bay, and get the ferry across to Kingfisher Bay Resort ($5 on the car ferry or $25 return on the fast catamaran). Even a day trip is worth it. Probably no need for a fuel stop between Archerfield and Harvey Bay, even with some sight-seeing. Fuel and good tiedowns on sealed apron are available at Harvey Bay
You don't need a clearance to go through Danger areas, just be aware what they are there for (in ERSA). The big one south of Archerfield is just the training area.
The VFR routes down the islands are great too.
Have fun.
BM