Coronado VA Loans and VA Jumbo Home Mortgage Loans – VanDyk Mortgage – VA Lender. VanDyk Mortgage is your source for VA Loans and VA Jumbo Loans in Coronado and San Diego. We have been making VA loans since 1987. VanDyk Mortgage is a Direct Lender. We offer many loan programs for Coronado Homebuyers and Coronado Veteran Homeowners to Purchase and refinance homes in beautiful Coronado.