If you have 3-4 months to get away, go everywhere!! At the very least spend 2-3 weeks on the South Coast (Santo Domingo & Boca Chica), 2-3 weeks on the North Coast (Sosua & Cabarete), 2-3 weeks in Santiago, 2-3 weeks in Samana & Las Terrenas, and 4-6 weeks in Cuba!!!
-Helpmann
