We want to stay on property but we can only squeeze a budget for moderate resort, has any one stayed with a family of six at port orlands. I know it only sleeps five but we were thinking of bringing a small air mattress. what are your thoughts? Have 2 girls 16 and 6 in a bed 13 year old boy on bunk wife and I with 5year old with autism and Down's syndrome in same bed, he usually ends up with us in bed any given day he does not walk or talk yet and is the size of a four year old.