Baldwin Harbor, with its two resort-style pools, a designer fitness center and marketing materials laden with attractive models, recently added 483 apartments in the heart of Baldwin Park, with rates from $1,300 for one bedroom to $3,660 for three bedrooms. Elsewhere, the Lake Bryan area south of Orlando Vineland Premium Outlets is poised for about 1,200 new apartments; Lake Buena Vista, 604; and Lake Nona, about 600, according to Yardi Matrix.