2026 Harris Grand Mariner SLDH

The 2026 Harris Grand Mariner SLDH is a 23-foot tritoon powered by a 300-hp Mercury outboard. The Performance Package tritoon design delivers enhanced lift and handling, reaching a top speed of 47 mph with a cruising speed of 28 mph. The aluminum hull is engineered for stable, smooth performance across varied water conditions.

The boat features a Single Lounger Dual Helm layout with dual captain's chairs up front and a rear-facing lounger. The open design maximizes entertaining space across the deck. Interior appointments include upgraded Dune upholstery with soft-touch materials throughout, modern styling, and ample storage for gear and water sports equipment.

Equipment includes a premium sound system and an AKI tower for watersports capability. The combination of performance-oriented construction, comfortable seating configurations, and standard amenities makes this a well-rounded pontoon suited for cruising, entertaining, or active water use.