Overview

• Preliminary evidence suggests a medical emergency triggered his collapse during the July 29 wreck-diving expedition.
• Formal inquiries by state and local police alongside the US Coast Guard remain open with no definitive cause identified.
• Mazraani was exploring the wreck known as “The Big Engine Steamer” roughly 200 miles off Cape Cod aboard the D/V Tenacious.
• He co-owned Atlantic Wreck Salvage with his wife, Jennifer Sellitti, and led expeditions to high-profile wrecks including the Andrea Doria and RMS Lusitania.
• Tributes from diving and legal communities have underscored his role as a mentor and pioneering maritime historian.