S
sorry but just say no to dog parks too many issues with aggressive dogs and disease spreading. Find a friend who has a fenced in yard and have a play date or walk your dog . We like Manasquan reservoirAlso in this day and age of dog parks, one of the fastest-growing things in municipal recreation last decade, it's not as though it's difficult to find a (free) place for dogs to exercise off-leash.
I have about three within 15 minutes, and it looks like I would have had about the same anywhere I ever lived in NJ, including near RU.