M.D.
Go to Monmouth County Parks website and you will find plenty of parks in the surrounding areas. There is a great park on Red Hill Rd -Tatum Park. This park isn't too far from your area. I think the park closest to you is the Bayshore Waterfront Park. It's off of Rt. 36. I hope this helps.
A little about me:
Stay at home mom of two children Olivia 3 & Ryan 1. Been living in Middletown now for almost 4 yrs. Great parks!