Bennington 20 S-One L-Bench

2026 Bennington 20 SL S One

2026 Yamaha F90LB

S-One is a collection of 20' and 22' Bennington S Series models that have been curated with the most popular options, features & engines at the most affordable pricing ever. S-One models come in 20' or 22' lengths with layouts like Stern Lounge, Swingback, Bench, and Fish. Whether you're cruising, casting, or chilling, there's a setup made for your kind of fun.

Bennington 20 S-One L Bench (20 SL) – Basic Information

Model: Bennington 20 SL (S-One Series)
Boat Type: Pontoon
Floorplan: L-Bench layout

• Length Overall: about 20'11"

• Beam: 8'6"

• Fuel Capacity: about 23–24 gallons

• Passenger Capacity: up to 10 people

• Dry Weight: around 1,800–2,100 lbs depending on build

• Maximum Horsepower: up to 140 HP on some configurations

• Aft L-shaped bench seating with removable table

• Bow chaise lounges in the front

• Helm chair and co-captain chair

• Port mid-ship gate for boarding

• Large open cockpit space for cruising and social seating

• Serene Soft-Touch marine vinyl upholstery with accent trim

• Stainless steel cupholders

• Lighted gate glides

• Soft-sided cooler

• In-deck fuel tank

• Premium marine audio system

• 10-ft quick-release Bimini top

The S-One lineup is part of Bennington’s S Series entry models designed for affordability while still offering Bennington’s build quality and multiple layout options like L-Bench, Quad Bench, Swingback, and Fishing layouts.