Harris Summit Series

Own the Water

Grand Mariner Summit

Grand Mariner Summit

STARTING AT $240,828*

Grand Mariner

 The Grand Mariner Summit Series twin-engine pontoon pairs refined, coastal-inspired styling with confident, high-output performance to create an experience that feels both elevated and purposeful. Premium materials, sophisticated design details, and a focus on comfort set a luxurious tone, while dual Mercury® engines bring added capability with quick planing, precise handling, and strong, responsive power. The Grand Mariner Summit Series is smooth and composed yet undeniably thrilling, designed for those who want elegance without sacrificing power. 

Harris Summit Series

UNDENIABLE POWER

Two Mercury Verado outboards propel the Grand Mariner Summit to new levels of performance, with more power, quicker acceleration, and higher top speeds. 

Harris Summit Series

EASY MANEUVERABILITY

The Grand Mariner Summit is built on Harris's RPM Technology, delivering tight turns, effortless steering, and a smooth, stable ride. Optional joystick piloting puts precision control in the palm of your hand, making tight maneuvers and docking more intuitive. 

Harris Summit Series

HEAD-TURNING STYLE

Every inch of this twin-engine pontoon is crafted for comfort and beauty. From its plush, ergonomic seating to its premium finishes and advanced technology, it delivers a refined on-water experience that blends sophistication, relaxation and striking design. 

Grand Mariner Summit Series

Model Specs

LENGTH OVERALL

31' 1"

MAX CAPACITY

10-13 persons

MAX HP

1000 HP

WIDTH

8'6"

PONTOON DIAMETER

27"

PONTOON LENGTH

27' 8"

WIDTH (BEAM)

8'6"

FUEL CAPACITY - TWIN ENGINE PLATFORM

100

WEIGHT 327 PACKAGE

5365

Grand Mariner Summit Series

Floorplans

Grand Mariner Summit Series

Available Colors

Gallery

*Price reflects MSRP in U.S. Dollars and applies at participating dealers in the US and Canada only.  Dealer sets actual price.  Additional taxes and fees may apply.  See participating dealer for details. OFFER VOID WHERE RESTRICTED OR OTHERWISE PROHIBITED BY LAW.

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