The nearest towns are Puerto Plata to the west and Cabarete to the east. Further eastward it is possible to see Dominican Republic without the expatriate crowd. Note that as you leave the civilization of Puerto Plata, Sosua and Cabarete European style restaurants and supermarkets become rare as to other first world conveniences such as the internet cafes which abound on every third corner in Sosua.
If you are looking for a less trammeled vacation experience, drive out to Samana 4 hours or consider staying in Las Canas www.playalascanas.com which is just 35 minutes to the East but feels like it is a million miles from civilization. Private villa rentals are available with a beach that you can walk on for hours without seeing anybody.
Read section "Get around" above for ways of finding $10 fare to Puerto Plata airport.