Bennington · Spend A Day
Bennington 21 SL
Introducing the 2025 Bennington 21 SL Pontoon – a perfect blend of style, performance, and versatility for those seeking the ultimate on-water experience.
Model Overview
Bennington 21 SL
Step aboard the 2025 Bennington 21 SL and discover a pontoon that redefines leisure boating. With a length of just over 20 feet, this used pontoon boat provides ample space for relaxation and socializing, while maintaining a manageable size for easy handling and docking. The 21 SL model is celebrated for its sleek lines, modern aesthetics, and thoughtful layout, making it a standout option among pontoon boats for sale. Its 2025 model year ensures you benefit from the latest advancements in pontoon design, while its gently used condition offers exceptional value for discerning buyers.
Length
20 '4"
Beam
8' 6"
Horsepower
150
Category
Pontoon
Engine Make
YAMAHA
Built to Perform
Performance & Design
Powering the Bennington 21 SL is a robust single engine with an impressive 150 horsepower. This setup delivers a smooth and responsive ride, allowing you to glide effortlessly across lakes, rivers, and coastal waters. The 150 HP engine strikes the perfect balance between spirited performance and fuel efficiency, making it ideal for both leisurely cruises and more adventurous outings. Whether you are towing water toys, exploring new coves, or simply enjoying a sunset cruise, the Bennington 21 SL’s engine ensures reliable power and exhilarating performance every time you hit the water.
In Stock Now
Live Inventory
Find Your Nearest Dealer
Available Locations
The Spend A Day Difference
Why Buy From Spend A Day
Unmatched Expertise
Our knowledgeable team brings decades of combined boating experience to guide you through every purchase, service, and adventure on the water.
Curated Brand Selection
We offer a hand-picked lineup of top-tier boats, pontoons, and yachts, ensuring quality, performance, and style in every choice.
Full-Service Convenience
From maintenance and storage to prep and detailing, our full-service approach keeps your boat ready for effortless enjoyment all year.
Lifestyle & Community
We go beyond boats—creating a welcoming marine community with events, expert advice, and experiences that connect you to the water lifestyle.
Get On the Water Faster
Financing & Trade-In
Competitive marine financing with same-day pre-approval available. Or trade in your current boat and apply the value toward your Bennington 21 SL.
The Family
Explore Other Bennington S Models
Bennington 20 SL 2T
The 2025 Bennington 20 SL 2T is a 19.33-foot pontoon that embodies the renowned...
Bennington 20 SS
This used 2021 Bennington 20 SS pontoon boat is a standout in its class, measuring 20...
Bennington 21 SLX
The 2016 Bennington 21 SLX is a 21-foot pontoon boat that exudes both elegance and...