The Sea of Cortez is roughly 1,125 km (700 miles) long. Wetland pockets of lagoons, mangroves and salt marshes are plentiful along the peninsular and mainland coastline.Rainforest Publications has developed five guides for the beach walker, fisherman, diver, or kayaking enthusiast a beautiful Mexico butterfly guide a Baja California/Sea of Cortez sea & shore bird guide a Baja reef fish guide a Baja sport fish guide a Baja marine mammal guide. Everything you could possibly see above or below the waterline you can identify with these guides.If your plans include visits to any of the following destinations (or those nearby), you will find these guides useful:MazatlanPuerto VallartaIxtapa/ZihuatanejoAcapulcoSanta CruzAll the single sheet field guides are 7" by 11" (17.85 cm by 28 cm), double-sided, laminated to withstand the elements, and printed on high quality stock with durable UV-resistent inks.All see our what's new page to see what is coming soon (hint: new pocket field guides for amphibians and reptiles, birds, butterflies, mammals, and marine life in the Yucatan, Campeche, Quintana Roo, Cozumel, and Riviera Maya regions of Mexico).