All I have to say is: Portsmouth Island. My family and I did the 4-wheeler/ATV excursion out of Ocracoke and it was fantastic. If I remember correctly, it was $80 per person. If you do go, take bug spray! There were thick clouds of mosquitos, and I'm suprised we still had blood left at the end of the day.
Here's pics from P.I. that I have on my photobucket. I'll post some more when I get home from work.