The search for two boaters missing off the coast of Naples, Florida, has been suspended after a massive four-day search operation.
The U.S. Coast Guard halted its search for Fort Myers attorney Randall Spivey, 57, and his nephew Brandon Billmaier, 33, at sunset on Monday, Dec. 22.
The relatives disappeared on Dec. 19, and the search spanned nearly 6,700 square miles of sea, officials reported…