These are some guides that contain all the useful little tid-bits we would have loved to have known in advance:
Guide to cruising Mexico: checking in, money, provisioning, finding boat parts, internet, laundry, hair care, bugs, petty theft & costs.
Marina Chiapas is a new marina at Puerto Madero (the new Puerto Chiapas cruise ship port) near the Guatemala border. After several months there we put together these notes for cruisers, including waypoints and an inland travel guide.
Tips for cruising Mexico: adapting to the culture, learning Spanish, navigation, weather prediction, tide charts, boat prep & other goodies.
A collection of maps of Mexico's Pacific coast and Sea of Cortez for cruisers showing all the popular anchorages and destinations.