SAN DIEGO - A colossal yacht was seen cruising in San Diego Bay Wednesday evening.

The 330-foot mega-yacht Attessa 4 stopped by San Diego during its maiden voyage.   

The owner, industrialist Dennis Washington, had the boat custom built to his exact specifications. Washington's net worth is about $4 billion, according to Forbes, and the Attessa 4 has everything a discerning billionaire might want.

The ship boasts a helicopter, a speed boat, pool, hot tub, movie theater, a fully operating day spa and much more.


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Forbes estimated the price tag for the nautical masterpiece at $250 million. Large as it is, the Atessa 4 doesn't make the list of the world's top 10 mega-yachts, all of which are more than 400 feet long.

It was unknown how long the boat will be in San Diego Bay or where it was headed next.