Playa Rincón beach in Samaná is considered not only the best in Samaná, but also one of the best beaches in the world (though, I couldn´t find who carried out the survey).
It´s 3 kilometers long, with Caño Frío River on one of its extremes, highly frequented for its mangrove swamps and turquoise waters. On the other side of the peninsula there are bars and restaurants where you can eat or have a snack or drink.
Although there´s an increase in tourism because of its popularity, its beaches keep the quietness and privacy most people look for. It´s located in the area of Las Galeras. A bit of a drive from major tourist centres, Playa Rincon offers all of the world-class beach bang for your buck with significantly fewer fellow travelers.