India, Aug. 2 -- Tilman Fertitta, a Texas billionaire who was appointed US ambassador to Italy, spent weeks living on his superyacht as he was displeased with his new official 7-acre residence in Rome.

Trump nominated Fertitta, 68, to be ambassador to Italy in December, and the Senate confirmed his appointment in April. The Houston Rockets owner did not move into Villa Taverna, his official Roman dwelling, until July 10 after a "series" of improvements.

According to Italian daily newspaper Corriere, he has decided to reside on his 252-foot superyacht Boardwalk, which is anchored off the coast of Civitavecchia. He uses a helicopter to commute to his professional duties on land, annoying the locals.

A representative for his business, Fer...