This geocahe is a...
SOCK PUPPET! Near the tennis courts, this geocache hangs low so anyone can reach it. It's not visible from the sidewalk, but it is easy to find anyway. Make sure you put things into the plastic bag, as the sock itself isn't waterproof. You should be able to find it very easily.
Vg'f unatvat sebz n gerr oenapu evtug arkg gb gur srapr. Vs lbh ybbx sbe whfg 5 zvahgrf oruvaq gur gerrf lbh jvyy cebonoyl or noyr gb svaq vg.