My husband and I are visiting Nantucket for the first time this August, from the 6th-10th, and are very excited! We'll be staying in town at the Century house, no car, plan to rent bikes. We've gotten so many opinions from others about the crowds being really overwhelming in early August, so I'm hoping for some tips, tricks, and advice to enjoy our stay despite the crowds! And really, how crowded is it?! Thanks!