SL 20 OB

The SL 20 may be the most compact model in the Sea Legend range, but it delivers performance well beyond its size. Its 23-degree deep-V hull provides a smooth, confident ride, while the distinctive cabin design and comfortable seating make it a standout in the 6-metre class.

A moulded fibreglass floor with non-slip diamond tread offers lasting durability and practicality, complemented by a sleek black moulded helm that creates a modern, premium driving position. Powered by a 150hp four-stroke outboard, with hydraulic steering as standard, the SL 20 delivers responsive power, precise handling and the fishing versatility that defines the Sea Legend range.

Driveaway from $147,990.00^

DOWNLOAD SPECS

FISHIE FEATURES

The SL 20 packs serious fishing features into its compact design. Moulded side pockets provide handy storage, while two heavy-duty esky/kill tanks and four stainless steel rod holders keep you well equipped on the water. The standard package also includes front and side clears, front rubber flooring, a floor-mounted fish measurer and an alloy rocket launcher — delivering a practical, fishing-ready setup straight from the factory.

WHITTLEY SL20 WITH HONDA 150HP

The new Honda L4 150 has arrived in Australia! Join Alan Whittley and Steve Morgan as they put it to the test aboard the 2026 Whittley SL 20. For more information, contact your local Whittley Boating Centre.

BOATSALES.COM.AU REVIEW

Join the team from Boatsales.com.au as editor Barry Peak takes the new Whittley SL 20 OB for a run offshore through the heads.

THOUGHTFUL DESIGN

The helm features a stylish black moulded dash, with ample room for multifunction electronic package and premium gauge selections. All the information you need is available at a glance. A stainless steel grab rail is conveniently located around the windscreen, for safety. The boat also features innovative seats with cushion on top of an esky/bait boxes. Combined with one of the deepest vee hulls in its class, a performance ride is assured.

“I would buy one, it’s that good. It’s one of the best riding hulls I have tested”

Tim Van Dul, Trade A Boat

STANDARD FEATURES

  • BACK-TO-BACK ESKY SEATS
  • BENNETT SLT TRIM TABS
  • CANISTER CHEMICAL-STYLE TOILET
  • DEEP SIDE CUSHIONING AND FISH MEASURER
  • FRONT BUNK INFILL CUSHIONS & HEADLINER
  • MOULDED FIBREGLASS FLOORING
  • FLAT-BACK REAR TRANSOM
  • PLUMBED LIVE BAIT TANK

SL 20 OB Technical Specifications

Specifications
Max People 6
Overall Length 6.37m
Length on Trailer 7.50m*
Height on Trailer Soft Top 2.20m* [windscreen]
Width on Trailer 2.40m
Beam 2.40m
Deadrise [at transom] 23°
Fuel Capacity 210L
Water Capacity N/A
Dry Towing Weight (base boat package) 1750kg** [approximately]
Standard Engine 150 hp
Maximum Horsepower 150 hp
Maximum Weight On Transom 207kg
Standard Mackay Trailer Model MLKR-57-T-13-M
Trailer Weight Rating 2,200kg***