Upscale Comfort - New White Shark Diving. When it comes to West coast shark diving knowing what to look for in a vessel and crew makes all the difference. After 7 years of "hands on shark diving operations" at Isla Guadalupe Shark Diver has chosen these experienced vessels and crews to take you there and beyond. Best of all you do not need to be dive certified to cage dive at this location. Departures are from San Diego, California and Ensenada, Mexico. Vessels are located just minutes from the International airport for ease of travel. Introducing our latest long range vessels to the Shark Diver fleet servicing Isla Guadalupe in 2008. The MV Islander, MV Horizon, and our newest vessel, the Nautilus Explorer based in Mexico.