This Biri Island Travel Guide contains travel tips, a sample itinerary, breakdown of expenses, and hotel and tour recommendations. Last updated: June 2018. 2013 • 3 • 10 Biri Island is where the gods go to wage war. This is where the San Bernardino Strait combats the mighty Pacific as the latter pushes its tides into … Continue reading BIRI ISLAND ON A BUDGET: Northern Samar Travel Guide & Itinerary