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Defiant Catamarans
M-Series

The new M-490 has set it's sights on the Offshore Sport Fish market segment. A new outboard powered big boat benchmark has been established. The M-490 is a fast and efficient hull that displays cutting edge engineering and technology.  It's design provides a smooth ride and is extremely stable at rest even in conditions that would keep most mono-hull fishermen home.

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Recent News


>New M-244 tc  (tournament class)

>Production of the new M-Series has been taken over by Atlantic Mariner Inc. DBA Millennia Boats

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>Watch for the new Millennia Boats website

Defiant Catamarans

At Millennia Boats we offer a highly evolved craft of yacht caliber fit and finish. Our hull design incorporates a sharp mono hull bow section transforming to asymmetrical catamaran running surfaces with flared hull sides to provide owners and passengers a comfortable dry ride. The planing hull moves effortlessly through the water providing speed and economy. Every Millennia M-490 is built to each customers unique needs and desires. The owners personality is reflected in each boat.