Last Chance! Summer Bay at Grand Oaks in St. Augustine, Florida a Pulte Homes Active Adult community is almost sold out! Located in St. Johns County, this community features 40' and 50' homesites designed to showcase conservation, lake and park views. This gated, 55+ neighborhood has 1.5 acres of exclusive amenities including pickleball, bocce ball courts, outdoor firepit and fireplace, community garden, resort-style pool and more!