I just ran across your question for Ivy Lakes. I know the answer if you still need it.
Google St. Johns County, Fl public records.
Select St. Johns County Clerk of Court site
Once on site select recording, online records search
In Name field type Cunningham Creek
In category box from drop down list select restriction
Click on search records at the bottom of the page ( you should get 12 records)
select record on line 10 recorded 03/23/95
Page 4, first paragraph includes Ivy Lakes at Cunningham Creek Plantation
Hope this is not too late.