Now Selling! Summer Bay at Grand Oaks in St. Augustine, Florida a Pulte Homes Active Adult community is now open! Located in St. Johns County, this community features 40′, 50′ and 65′ homesites designed to showcase conservation, lake and park views. This gated, 55+ neighborhood will have 1.5 acres of exclusive amenities including pickleball, bocce ball courts, outdoor firepit and fireplace, community garden, resort-style pool and more