Romblon is gifted with lush vegetation and mineral resources. Aside from marble, the islands are rich in granite, nickel, silica, mercury, zinc, copper, silver, limestone, sulfide, ores, kaolin, clay, magnesium and quartz. Gold panning sites have sprouted in some of the mountain stream areas in Magdiwang, Sibuyan Island. The fertile soil nurtures varied agricultural crops–like coconut, rice, corn, bananas, rootcrops, fruit trees, vines and many others. Offshore, Romblon is a rich fishing ground. The islands lie on the migratory path of fishes from the Sulu and Visayan Seas, passing the Tablas Strait, Sibuyan Sea, and Romblon Pass.

The town of Romblon still retains vestiges of an important craft in the adornments of old houses and public buildings. The Cathedral of Saint Joseph features fine woodwork done by local features fine woodwork done by local artisans. The massive doors and the Byzantine-style altars adorn the 18th century fortress church that forms a center point for a series of Spanish fortifications. San Andres and Santiago forts lie on two strategic hills above the town.