SuperYachts and SuperYacht Owners

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Author: Peter Yachtfan

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SubmitPurchase our Updated SuperYacht Owners Register! More than 750 Yachts and Yacht Owners in a searchable Excel file. Contact us for the version with (residential) addresses. (Sale restrictions apply - more info here).

Dennis Washington - Yacht Yacht Name: Attessa - Yacht Length: 100 m (328 ft) - Guests: 28 in 14 cabins - Crew: 21 in 10 cabins - Value: US$ 150 million - Owner: Dennis Washington - Washington Net Worth: US$ 6 billion - Owners Company: Washington - Owners Country: USA - Attessa IV was built as Evergreen for the founder of Evergreen Shipping

Dennis Washington Yacht Attessa IV

Attessa was build as Evergreen

The yacht Attessa IV was originally built as Evergreen for Chang Yu-fa, the chairman of the Evergreen Shipping Line. She was delivered in 1999 to a design of Diana Yacht Design. In 2007 Chang Ya-fa sold his luxury yacht to billionaire Dennis Washington.

A 3,5 year long refit

During a 3,5 year long reconstruction period, the yacht was totally rebuild under project management of the Washington Yachting Group. The bow, stern and superstructure were all changed, with a totally new interior lay out.

Accommodation for 28 guests

She can accommodate 28 guests, serviced by a crew of 21. The value of Attessa IV is estimated at USD 150 million. In 2012 Bill Gates was using the yacht Attessa for a family holiday in Belize. Photos on this page by Christo303.

Charter Yacht Atessa

The yacht Attessa is not available for charter. But enquire now, for your ultimate charter experience on similar yachts!

Dennis Washington

Dennis Washington owns three yachts

Dennis Washington is the owner of three luxury yachts: the Feadship Attessa, the Evergreen yacht Attessa IV and the ocean going tug -turned in to yacht  - St. Eval.

The Washington Group

Washington (born 1934) owns a large consortium of companies known as the Washington Companies. Part of the Washington Group is Seaspan Marine Corporation, which is active in marine services. Seaspan includes three shipyards, barge transportation, tug services and a ferry business.

Started with a Construction Company

Washington started working at his uncle’s construction company. At the age of 30 he purchased a bulldozer and started his own construction company. In five years time his company was the largest contractor in Montana.

Montana Resources

In the 1980’s he bought a copper mine in Montana, this company named Montana Resources is worth more than US$ 1 billion.  

Movie Overboard

Dennis Washington has owned several yachts, all named Attessa. In 1987 his 144ft yacht Attessa (now named Huntress) was used in the movie ‘Overboard’, starring Goldie Hawn and Kurt Russel. And in 1993 his Attessa was featured in the Demi Moore movie Indecent Proposal.

Net worth and philanthropy

His estimated net worth is around US$ 6 billion. Dennis Washington is an active philanthropist through his Dennis and Phyllis Washington Foundation, having donated more than US$ 130 million.

Dennis Washington House

Dennis Washington and his wife Phyllis own a large house in Indian Wells, California (value for property taxes is around US$ 86 million) and he owns another large estate in Missoula, Montana.

Dennis WashingtonPhyllis Washington

Dennis’ wife Phyllis owns an exclusive antiques store named Maison Felice. In 1998 Phyllis opened Maison Felice in Palm Desert, CA, the culmination of her love for antiques, travel and interior design. Today, Phyllis Washington Antiques with over 25,000 square feet of beautiful objects and furnishing from 18th century to Art Deco, is a destination for many top west coast designers.

yacht Attessa IV

Motor yacht Attessa IV, owned by billionaire Dennis Washington

Dennis Washington Private Jet

Dennis Washington owns several private jets and helicopters. His fleet includes a Boeing 737 business jet, with registration N162WC, a Eurocopter EC135 with registration N161WC, a BAE Hawker 800 with registration N164WC and another Eurocopter EC135 with registration N165WC. The latter is permanently based on his yacht Attessa IV.

Dennis Washington yacht

Superyacht Attessa IV

Dennis Washington amazing yacht

One of Dennis Washington’s three yachts

yacht Evergreen

The yacht was built as Evergreen, for the chairman of the Evergreen Shipping Line

Washington Yachting Group

The yacht was refitted by the Washington Yachting Group

Eurocopter EC135 N165WC - Dennis Washington

The Eurocopter EC135 with registration N165WC, based on the yacht Attessa IV

Follow the position of the yacht Attessa  live

Dennis Washington houseDennis Washington Montana house

His Indian Wells house

Dennis Washington’s house in Montana


The Superyacht Owners Register, yacht names: #1 to B

The Superyacht Owners Register, yacht names: C to H

The Superyacht Owners Register, yacht names: I to L

The Superyacht Owners Register, yacht names: M to P

The Superyacht Owners Register, yacht names: Q to S

The Superyacht Owners Register, yacht names: T to Z

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Dennis Washington House