Hello Deb, You will only need the guest passes. Your inlaws and kids will each need thier own pass. You can stop by any regional rec centers, fill out the form (Name, Address, Date of Birth) and have them printed up for you right then and there. Also you can do this online at
https://www.thevillages.net/ ( Guest Pass ID Application ) both cases you'll need you Village ID and 6 digit number. With the online you'll also need your pin number. Online you can order 28 days in advance.