Martinez has an extensive photojournalism background. His work has been published in most nature, travel,and dive magazines in the US and other countries. Andy has had photo assignments for National Geographic to the Fiji Islands, Bonair and Cape Cod. He has led marine biology and travel groups to the Galapagos, Cayman and Bay Islands. His photographs are currently being used in books or displays in most of the country's acquaria. He has also been giving lectures at The Boston Sea Rovers' underwater symposium for the past several years.