A retirement home implies several other criteria.
What do you want to be near?
Daily needs like recreation, services, retail, and medical care shouldn't be too distant.
How dependent on driving do you want to be?
Many safe neighborhoods will have you in the car for every little daily need.
Below is a link to a search for detached homes and townhomes from $130,000--$200,000. It should give you an idea of the market offerings and what you can expect to get for your price point. I threw Cary into the mix, because of the convenience of many locations in Cary, and easy access to Raleigh.
You might also consider Morrisville.
You can get a new construction town home in the $180,000+/- range, often with a garage, in a few areas.