Harris Grand Mariner 250

MarineMax is proud to present the new 2026 Harris Grand Mariner 250 (Stock #218813), a pontoon boat that redefines luxury, performance, and craftsmanship. This vessel is an excellent choice for discerning boaters who want a premium experience, whether they are enjoying a quiet cruise, hosting a large gathering, or engaging in thrilling watersports. The Grand Mariner combines exquisite design with cutting-edge engineering, setting a new standard for on-water elegance.

Key Features and Highlights

Powerful Mercury V10 Verado Engine: This Grand Mariner 250 is equipped with a Mercury 400 HP Verado V10 outboard engine. This state-of-the-art power plant provides exhilarating acceleration and a top speed while maintaining a remarkably quiet and smooth ride.

Cutting-Edge Technology: The boat features a sophisticated helm with a large Simrad NSX touchscreen display. The integrated Digital Throttle & Shift (DTS) and an available Joystick Piloting for Outboards (JPO) system makes maneuvering and docking effortless.

Luxurious & Comfortable Seating: The Grand Mariner offers plush, ultra-soft seating and lounging areas throughout the boat. The versatile layout includes a multi-position rear lounger that easily transitions from a forward-facing seat to a fully reclined sunbed.

Performance & Stability: Built on a robust aluminum chassis, this model features the optional Performance Package with a third pontoon tube. This design provides enhanced stability, better handling, and a smoother ride, even at high speeds and in choppy conditions.

Onboard Amenities: The boat is designed for ultimate comfort and entertainment, featuring a high-quality JL Audio sound system, a powered bimini top, and a convenient flip-up table. The spacious layout and ample storage make it perfect for hosting a large group of up to 14 people.­

At MarineMax, we are dedicated to making boating easy and enjoyable. When you purchase a boat from us, you'll benefit from our comprehensive support, including:

A full fuel tank upon purchase.

A Go Boating Gear kit filled with essentials for safety on the water.

Hassle-free financing and insurance options.

Exceptional service with convenient online scheduling.

Expert guidance through various boating classes and seminars.

Access to our exclusive Getaways!® trips and customer events, connecting you with a vibrant community of fellow boaters.

Trades considered.