Mexico Mortgage Companies (no particular order)

Baja Capital Mortgage - Since Baja Capital Mortgage was founded, it has gained the reputation as the premier Mexico based Mortgage Brokerage. BCM not only offers the programs of every lender currently operating in the Mexico marketplace, but closes it’s transactions on time with the service and follow through expected by the buyers, sellers and realtors.

Other

Amigos de Bucerias, Nayarit - The Local Community Information Portal - Bucerias, Nayarit, Mexico community information portal which provides local news, event informations, memberships to great discounts and other resources.

Real Estate agents
Worldwide real estate companies directory and property buyers and sellers guide.

Exchange Rates of the World
Great little site to get current currency exchange rates.  

NM Real Estates - International Property Listings, Classified Directory - NM Real Estates is a human-edited Property listing website featuring real estate web directory. NM Real Estates is easily searchable, user friendly, listing properties and spam-free web sites, organized in categories.