Turtle Beach is the closest except no pets allowed.
There are a couple up towards Bradenton Beach. I don't know what your dates are, but private parks in that area are typically full this time of year.
Jerry & Jeanne
1996 Safari Sahara 3530 - 'White Tiger'
CAT 3126/Allison 6 speed/Magnum Chassis
2014 Equinox AWD / Blue Ox