San Juan river lagoon flowing into ocean, drone view, Dominican Republic

san juan river lagoon flow ocean river mouth coastal oasis dominican republic playa el valle pristine shoreline aerial rio san juan san juan river mouth caribbean idyllic samana valley samana el valle scenic sandy beach isolated beach drone flight remote palm tree exotic beach samana bay paradise exclusive beachfront sandy shore natural beauty beauty pristine gorgeous picturesque outdoors lush vegetation tropical island sea shore nature coastline travel seascape coastal drone palm trees