She owns an internet café and a beautiful villa there and knows the place backwards and forwards. Also Eddy and Nicole out in Las Galeras can help you a bit. their place is called El mairenique...don't have the email onhand
We are living in Samana,and there is not so much around as far as long term rentals.Las Pascalus beach resort has many one and two bedroom villas for $500 per month plus utilities.Quiet area and 24 hr security.
PM if you want a phone number,as I don't have it on hand.