Mystere solved

The fourth 25.5-metre Otam Millennium 80 HT, MY Mystere has launched in Italy, boasting a top speed of 48 knots.

Photography by Otam

23 March 2017


The fourth 80-foot (25.5-metre) yacht from the Italian yard was launched more than a month ahead of scheduled delivery date.

Two 2,600hp engines allow for an internal layout with twin owner’s suites.

The first sea trails confirm a top speed of over 48 knots and a 41 knot cruising speed!

Otam, with more than 60 years of powerboating experience – was determined to combine performance with a high level of customization and comfort in the fourth build of the flagship Millennium Line.

This resulted in the Otam Millennium 80 HT MY Mystere, one of the most exciting sport yachts ever built. Made in Italy elegance and high performance can be successfully combined at OTAM Shipyard.


The biggest difference from her predecessor Mr Brown, presented at the 2015 Cannes Yachting Festival, is found in the expert owner’s decision to install the twin rather than the quadruple propulsion system. This decision allowed the Genovese yard to create an even more airy interior, with a truly double owner’s suite.

These two suites are notable for their highly ergonomic solutions, thanks to the complete elimination of steps which guarantees extreme ease of movement. This was a specific request of the owner who was looking for a layout that fulfilled his personal manner of life at sea. Along the same lines, he also requested another VIP cabin, a separate galley and separate access to the crew quarters at the bow.

Design of the furnishings, with the use of lacquered ebony with chrome steel inserts, natural teak, and carpeting in silk and cashmere, evidence chromatic contrasts and create a fascinating and welcoming atmosphere that further emphasise the spaciousness of the interiors.

The new OTAM Millennium 80 HT MY Mystere is equipped with twin TU M94 engines that develop 2600hp at 2450rpm and Arneson drive15 A 1 L transmissions that have proven their ability to drive the yacht at speeds over 48 knots during her first sea trails.

The deep-V hull shape provides an easy and smooth passage for those on board, even in rough seas, and give her a cruising speed of 41 knots at 2,150rpm in complete safety.

Evidencing a true Made-In-Italy artisan build, the yard has also placed great emphasis on sound-proofing, with double thickness insulation around the engine room and the two owner’s suites. With excellent results: with the generator running, and AC at 80 percent load, the sound level was only 44db in the owner’s cabin and main deck salon.


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