Jeanneau TH33: Power Cat Dayboat

This 33-footer (along with its 38-foot sister ship) from French builder Jeanneau is designed to get American boaters to take a fresh look at power cats

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Two hulls are better than one for open space socializing aboard this beamy Jeanneau TH33 power catamaran. Photo courtesy, Jeanneau

Power catamarans make up only a single-digit percentage of America’s 11 million power boats, but the benefits of two hulls – roll stability, fuel efficiency, and elbow room on deck – have builders like Jeanneau banking on elevating power cats beyond their offshore angling base into a comfortable day cruisers or overnighters. With a 12'8" beam, this 33-foot multihull features more than 400 square feet of deck area, comparable to a larger 40-foot monohull. The hulls make for vast storage space, or an optional Cabin Package transforms the hulls into a cozy retreat with a mattress, reading lights, natural lighting from hull windows, and head with standing room.

STANDOUT FEATURES

  • Wide, ergonomic helm with full-beam protective windshield
  • Central galley
  • Stability & space
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Photo courtesy, Jeanneau

The bow riding area is massive, with ample deep, comfortable seating, lounging, or eating (with table insert). A full-beam windshield delivers excellent wind protection for everyone from helm and cockpit.

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Photo courtesy, Jeanneau

The center galley keeps the chef in the middle of the socializing and features a sink, trash compartment, refrigerator, and optional electric grill. Just aft, a massive cockpit with U-shaped seating can accommodate 10 adults.

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Photo courtesy, Jeanneau

Designers made good use of the gap between hulls with a compact swim platform with integrated transom ladder that extends between the outboards. With standard twin 300-hp Mercury or Yamaha outboard, the TH33 tops out at 45-50 mph.

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Photo courtesy, Jeanneau

An optional front cockpit sun awning with removable pole system that fit into deck sockets to tension the fabric blocks up to 97% of UV rays while allowing airflow.

Main Specs

Length33´4˝
Beam12’ 6”
Draft2’ | 3’2”
Engine2 x 300
Fuel Capacity238 gallons
PriceStarts at $457,111

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Published: December 2025

Author

Rich Armstrong

Senior Editor, BoatUS Magazine

The Jersey shore and New York lakes defined Rich’s youth, followed by deckboat days on the Connecticut River and Long Island Sound while raising a family in Connecticut. He now calls coastal Delaware home. From TV news broadcasting to daily newspapers to marine journalism, Rich has crafted a career in storytelling and built a reputation for thorough, informative reporting. He leverages his wide-ranging experience to write about technology, trends, boats, gear, governmental issues, personality profiles, and travel tales.