The River Styx site, the earliest known Cades Pond site, was a transitional site, with Deptford style ceramics resembling the Yent Complex, whereas Deptford ceramics have not been found at later Cades Pond sites. The River Styx site has been compared to the more elaborate Crystal River (Deptford and Santa Rosa-Swift Creek culture) and Fort Center (Belle Glade culture) sites. Almost all of the burials at the River Styx site were cremations, whereas cremations were rare at other Cades Pond sites. Occupation of the River Styx site extended from about 100 to about 200.