Bocas del Toro » Bocas del Toro » Isla Colon. Isla Colon is the most populated island in the Bocas del Toro archipelago, and the capital of the Bocas del Toro province. Most of the hotels, restaurants, bars, tour operators, and businesses are located right in Bocas Town on Isla Colon, as is the Bocas del Toro International Airport.