Berkshire 25 RFX STS

3.0 Performance Package !

Here is Our Berkshire 25 RFX STS 3.0 – with a 150 HP yamaha (or 200) Added options include, Black out package, Teak 2 flooring upgrade, Hydraulic steering, Sport ski tow, in dash Lowrance with engine monitoring GPS, fish finder plotter,  Raised helm, High Back reclining Capt chair, High back reclining Port chair, 24″ removable bench seat, exterior rail lights, sink w faucet, Remote USB chargers, package also includes full playpen cover and bimini top along with a custom tandem trailer / disc brakes both axles, custom wheels, LED lights, retractable tie downs,  large front boarding ladder -In stock and ready to go !!


       3.0 package includes:

  • Full center tube with lifting large strakes
  • full underdeck sheeting
  • large lifting strakes on outer tubes
  • Seastar hydraulic steering
  • 37 gal fuel tank upgrade

      Black out trim package includes:

  • Black anodized rails
  • Black anodized bimini frame
  • Black anodized deck trim
  • Black door stops
  • Black corner pads
  • Black table base and leg

Performance Done Right

At South Bay we didn’t invent precision, we didn’t invent power and we didn’t invent performance. We just put them together better than anyone else.

Superior Construction

1) Forest River Marine Pontoon TubesMore strength for longer life in extreme water conditions.

2) Performance Skin Roll formed for better water & air flow to maximize performance and efficiency.

3) Lifting Strakes Quicker planing for added maneuverability and a smooth ride.

4) Nose Cones 52” nose cone rather than 48” industry standard increases speed and reduces fuel consumption.

5) PAD Running Surface

6) Splash Fins

7) Bulk Head Strategically placed bulkheads at vital points in the pontoon provide superior structural integrity.

8) Spray Rails

Dare to Compare

We’re confident you will not find a better product.

At South Bay we understand the importance of quality construction and realize the vision and the dreams of our customers. We have gone to great lengths to develop trusting and creative relationships for the long-term. Our principles are based on integrity, attention to detail and quality craftsmanship. Our mission is to provide you with a lifetime of enjoyment on the water. Through these principles we ensure that we provide our customers with superior service and craftsmanship. Perhaps you should look no further than our long list of satisfied customers, that more than anything is the most telling testimony to South Bay’s success.

Pressurized ChambersAir pressurized chambered tube construction, strengthens inner walls of pontoons. NO LEAKS!

3.0+ Chassis with in-floor storage (19″ x 79″)3.0+ Chassis with in-floor storage (19″ x 79″)

Full-Length RiserStructural full length continuous riser

Full Exterior PanelsFull exterior rail panels

Aluminum AlloyHigh quality aluminum alloy material and welds.

Nose ConeNose Cone w/ Protective Keel – Industry standard has 48″ nose cone. We have engineered a longer 52″ nose cone to enhance the speed, reduce gas consumption and provide a more comfortable ride.

Bimini Top FrameBimini Top Frame w/ trailering brackets

Quick ReleaseStainless steel bimini quick release attachments (500/700/900 Series)

Waterproof Wiring“Deutsch” waterproof electrical wiring/harness(es)

Fiberglass ConsoleFiberglass Console

GPS Speedometer/Fish FinderGPS speedometer & fish/depth sounder. More accurate than traditional speedometers.

Comfortabe SeatingSoft Touch furniture, high performance seat foam offers superior durability, greater long lasting comfort and ample storage. Rotational molded one-piece seat base and back construction.



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  • Type: Pontoon
  • Model Year: 2019
  • Engine Size: 150 HPL
  • Fuel Type: Gas
  • Ext color: Black and White
  • Int color: camel