The Intraocastal areas in 33462 have a few communties that have activities for children. Hypoluxo's Mariners Cay has a very nice clubhouse with billards room, fitness center, sandy beach, Intraocastal pool & hot tub. outdoor BBQ area with cabana for parties. swim with the manatees off the shore. Also, just south of Mariners Cay is Lake Shore which is also a gated community on the Intraocastal in a well manicrued community that is tucked away behind large shade trees.