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Miami-based Giovanni Theodoli Marine Manufacturing (GTMM), owned by yacht-world veteran Giovanni Theodoli, is one of the newest luxury speedboat companies to enter the market. Theodoli has quite the boating pedigree. His mother, the Marchesa Katrin Theodoli, owns famed Magnum Marine (, which builds bespoke high-speed yachts that sell for between $1.5 and $10 million. (The king of Spain and Lenny Kravitz are clients.)

Theodoli grew up on the water in Magnum boats, often sailing from Miami to the Exumas for the day or summering in the Mediterranean to test out new models. After working at his family’s company for years, he recently partnered with boating veteran Scott V. Smith, a former world champion offshore powerboater, to launch his own high-performance powerboat venture, which he says takes a European approach to design without sacrificing speed or strength.

“We’re coming at it from a different vantage point,” he explains. “We didn’t do a typical offshore design with the standard white upholstery or over-the-top paint job. We went for a streamlined look.”

The fully customizable boats are elegant and clean—“like a Bentley on the water,” says Theodoli, who pares back dashboard controls for a minimalist look, upholsters interiors in leather and keeps to subdued paint hues. There are currently two offshore powerboat models available: the GTMM27 (from $250,000) and the GTMM39 (from $600,000), with the latter topping out at a speed of more than 100 miles per hour.


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