2026 Harris Grand Mariner 250 SLEC

The 2026 Harris Grand Mariner 250 SLEC is a 28-foot luxury pontoon built on Harris's 3-tube 27-inch performance chassis with lifting strakes and full-length keel for stability and smooth handling at speed. It's powered by a Mercury 425HP Verado V10 engine with DTS controls and power assist steering, delivering substantial performance in a refined package finished in Midnight Blue with Platinum Silver accents and Black Edition fencing.

The SLEC floorplan centers on entertainment and comfort, featuring an entertainment hub with a refrigerator, Luxe Tungsten furniture with light blue accents, and slate gray woven teak flooring throughout. An Ion power tower with dual bimini tops the layout, while an aft swim seat and in-floor storage round out the functional design. The raised helm sits behind a removable windscreen and upgraded steering wheel.

Technology and audio are premium throughout. Dual Simrad NSX9 displays provide navigation capability, while a JL Platinum sound system with tower speakers handles the entertainment. RGB interior and exterior lighting, a stainless steel ski tow bar, pop-up cleats, and a battery system complete the equipped specification.