Great post. I've been to Rio San Juan, Cabarete, Sosua, San Pedro, La Romana, Juan Dolio and Quisqueya. I prefer the small town. My wife is from Quisqueya so one day we'll probably return there to live.
It is a balance if you have a life here in DR and are not just here for the chicas or retirement.
There are some lovely near beach locations such as in San Cristobel, Azua, Barahona, Monte Cristi and Maria Trinidad Sanchez and when it comes to the hills and mountains the choice is exceptional. Places like where Matilda lives are everywhere. I hear about Constanza and Jarabacoa but go inland in Azua or San Jose de Ocoa province and you find incredible probably better scenery...just like Monte Plata and many more places....but off the beaten track.
This is the DR we came to love even if you need a dose of the city at hand.