Choosing a site
The web site www.geocaching.com maintains an up-to-date listing of all the cache sites. Using the search feature on their site you can view a listing of all the cache sites in Delaware. (For convenience there is a link to this page in the Links section of the Delaware Geocachers site)

When you set up your account on geocaching.com you can enter the coordinates for your home. This will allow the generation of a special list that lists geocache sites based on closeness to your home. Pick a site and click its name. You will see a description of the site written by the person who created the site. Once you've found a description that presents the right amount of challenge, you'll need to write down two pieces of information - the coordinates for the site and the waypoint identifier. These will be needed to set up your GPS.