What a small world..
About 13 years ago, I went with a group of fellow school students and spent several days in the lifeguard house on the northeast end of North Stradbroke Island.. just a little east of Peel Island..
We were there in July of 1998, so very few, if any, people were out. I couldn't get over how far the beach extended (all the way to the horizon).
That's still one of my favorite places I've ever been. I'd love to go back, and on a sailboat would be even better.