2025 South Bay 523 UL - 250 SS Stealth Motor

The 2025 South Bay 523UL (Ultra Lounge) is the ultimate expression of performance, luxury, and modern pontoon design. Powered by the impressive Suzuki 250SS Stealth outboard, this Tri-Toon is built for boaters who demand exhilarating speed, uncompromising comfort, and premium features throughout. Whether you're cruising the lake, entertaining friends, or towing water toys, the 523UL delivers on every level.  This boat features the industry leading Roswell Arch with the unparalelled Roswell Sound, you have to see and hear it to appreciate how much better it is than anything wlse on the market.

Highlighted Features & Equipment:

• Suzuki 250 SS Stealth Outboard

  • Top-Tier Power & Precision: This high-performance engine provides instant throttle response, smooth acceleration, and legendary Suzuki reliability. It’s ideal for boaters who want the best in power, efficiency, and long-term dependability.

• Ultra Lounge Seating Configuration

  • Versatile Comfort: The rear ultra lounge converts from forward-facing seating to a full sunbed or bench seating for multiple passengers. It's the perfect setup for relaxing, sunbathing, or socializing in style.

• Tri-Toon Hull Design

  • Enhanced Stability & Ride: Triple tubes offer exceptional stability at high speeds, reduced drag, and a smoother ride—even in choppier waters. Great for both cruising and watersports.

• Z42 Composite Deck

  • Stronger, Lighter, Guaranteed: South Bay’s proprietary Z42 composite deck is 40% lighter and twice as strong as traditional wood. It's fully backed by a lifetime structural warranty, providing long-term confidence and value.

• Luxury Upholstery & Detailing

  • Featuring high-end marine-grade materials, the 523UL comes with premium soft-touch vinyl, accent stitching, and ergonomic seating to provide unmatched comfort.

• Sport & Tech Package

  • Includes Seastar hydraulic steering, Lowrance HOOK 5 GPS/fishfinder, SS ski tow bar, LED lighting, and quick-release fender clips. Everything you need for modern boating and ease of use.

• Entertainment-Ready

  • The deck layout is ideal for entertaining with removable bow table, reclining captain’s chair, and space to seat the whole family. Optional upgraded sound systems are available to customize your vibe on the water.

• Premium Construction & Design

  • From the black-out trim package to the high-gloss exterior panels, this model stands out at every dock. Optional packages offer personalization, including flooring, color schemes, and electronic upgrades.

Key Specs:

• Engine: Suzuki 250 HP 4-Stroke Outboard with Digital Controls

• Hull: Performance Tri-Toon

• Length: Approx. 24'

• Beam: 8’6”

• Fuel Capacity: Approx. 37–52 gal (depending on package)

• Passenger Capacity: Up to 13 (varies by package)

• Decking: Z42 Composite with optional flooring finishes

• Steering: Seastar Hydraulic or Power Assist (depending on build)

Why Choose South Bay?

South Bay pontoons are known for their innovative construction, superior ride quality, and luxurious design. The 523UL is a flagship model built for boaters who want it all—comfort, performance, and durability without compromise.

Clearance and financing offers may be available. Contact Del Mastro Recreation in Peterborough to inquire about this unit, arrange a viewing, or get a custom quote.

Disclaimer: Pricing, features and availability subject to change without notice. Contact dealer for most current details.