I have never stayed there...but there is a good website to read reviews about travellers stays to the resorts in the DR.
Go to this address below and go to the Puerto Plata beach resort. There is 2 reviews to read.
<A HREF="http://www.debbiesdominicantravel.com/travel6.html">http://www.debbiesdominicantravel.com/travel6.html</A>