Cristóbal lies at the northern entrance to the Panama Canal. It is part of the province of Colón, a port city at the entrance to Limon Bay, at the Atlantic (Caribbean) entrance of the canal. (Interestingly, Cristóbal Colón is the Spanish translation for Christopher Columbus.) The port, Old Cristóbal, was first built by the Panama Railroad Company in the 1850s, and dredged material became landfill for the present Cristóbal. Read more about Cristobal, Panama

The Panamanian San Blas Islands archipelago of 378 islands and cays (only 49 inhabited) lie 130 km to the NE of the Panama Canal entrance at Colon. This southernmost part of the Caribbean Sea is free of cyclones and popular with eco-tourists, due to the pristine environs and undeveloped tourist industry. The islands’ past history includes the period of the Spanish invasion, notable visits by explorer William Dampier (c. Read more about San Blas Islands, Panama

Named one of the seven modern wonders of the world by the American Society of Civil Engineers, the Panama Canal is a 77 km ship canal in Panama that joins the Atlantic and Pacific Oceans, and is a key conduit for international maritime trade. Built from 1903 to 1914, nearly 850,000 vessels have passed through the canal. Interestingly, the 8-10 hour journey from the Pacific Ocean in the west and the Atlantic Ocean in the east is one from SE to NW. Read more about Panama Canal, Panama

Puntarenas is the capital and largest city in the province Puntarenas, on the Pacific coast of Costa Rica, and is one of the country’s most important tourist regions. Its coasts are decked with plenty of islands, inlets, beaches and beautiful natural treasures, many of which lie within protected zones, and it is also home to some of the country’s highest mountain peaks. Of great interest is a small ‘old town’ where the buildings are of both historical and architectural interest. Read more about Puntarenas, Costa Rica