Highly upgraded 2007 Lagoon 500 configured for serious cruising diving, and off-grid living!  2100Ah LiFePo4 house bank  2.5kW solar array, New Yanmar 4JH57 engine w/ upgraded saildrives Professionally engineered transom extension increasing LOA to over 52 feet.This 2007 Lagoon 500 represents an exceptionally upgraded and thoughtfully engineered cruising catamaran, designed for serious offshore capability, diving operations, and extended off-grid living. Over the past several years the vessel has undergone extensive mechanical, electrical, and structural upgrades, transforming it into a highly capable platform for long-range cruising, charter operations, or private family adventures.The boat features a massively upgraded electrical and energy system, centered around a 2,100Ah lithium battery bank (UL approved), approximately 2.5kW of solar generation, and three Victron inverter/chargers, allowing the vessel to comfortably run multiple air-conditioning units, refrigeration ...