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South Bay Pontoons 500 Series Pontoon RVs For Sale

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The South Bay 500 Series pontoons combine luxury and style with quality construction techniques and materials into a fun day on the water!


Each chassis/deck is built with solid one-piece construction, is bolted through and bonded, eliminates deck rot and mold, plus is 40% lighter and 2Xs stronger. Some standard features are a power electric Bimini top with boot for sun protection, a Seastar hydraulic steering, and Wet Sounds audio to listen to your favorite tunes! You can also choose from several options and packages to customize the 500 Series to your perfect pontoon. 


Choose a South Bay 500 Series pontoon to enjoy luxury on the water with your family and friends, make your selection today!

  • 500 Series 525UL

    500 Series 525UL Floorplan Image

    South Bay 500 Series pontoon 525UL highlights: 25' 5" Deck Length Tube Diameter ... more about 500 Series 525UL

    Have a question about this floorplan? Contact Us


    Length 25 ft 5 in
    Ext Width 8 ft 6 in
    Dry Weight 2410 lbs
    Fuel Type Gasoline
    Weight Capacity 1830 lbs
    Hull Type Pontoon
    Passengers 13

500 Series Features:

Standard Features (2023)


  • (4) 165 Watt Lighted Speakers w/ Protective Inside Covers
  • 27 Gallon EPA Approved Fuel Tank in Motor Pod w/ Fuel / Water Separator
  • 3/4" One Piece V-Lite Performance Deck w/ Bow Reinforcement Bumper
  • Aluminum Framed Mid Back Reclining Helm Chair w/ Arms & Headrest
  • Black Soft Grip Steering Wheel w/ Tilt Cable Steering
  • Deutsch Waterproof Electrical Trunk Wiring Harness
  • Electric Bimini
  • Extended Stern Vinyl Swim Platform w/ Stainless Steel Telescoping Ladder
  • Exterior "D" Rail Design on Full Rail Panels
  • Fire Extinguisher Housing - Starboard Aft
  • Helm Seat Slider Pedestal
  • LED Docking Lights in Front Rail Panels
  • Oval Shaped Silver Matte Table
  • Radius Deck w/ Integrated Deck Trim, Rub Rail and Aluminum Corner Pads
  • Raised Logos
  • Reinforced Splash Fins
  • Stainless Steel Cleats, Rail Braces and Cup Holders
  • Stainless Steel Ski Tow Bar & Port Side Cup Holder (RS Models)
  • Standard Analog Gauges: Trim, Tachometer & Speedometer
  • Surlast 10' Color Matched Bimini Top w/ Stainless Quick Release & Riser Bracket
  • Surlast Color Matched Playpen Cover (Factory Installed)
  • Wet Sounds Audio

Options & Standards

Performance Package

  • 25" Tubes (Bi-Toons Only)
  • 2.75 Performance Package Includes:

Center Sport Tube, Aluminum Underdeck, Large Lifting Strakes On The Inside Of The Outer Tubes, Seastar Hydraulic Steering, 27 Gallon Fuel Tank

  • 3.0 Performance Package Includes:

Full Center Tube, Aluminum Underdeck, Large Lifting Strakes On The Center Tube, Large Lifting Strakes On The Inside Of The Outer Tubes, Seastar Hydraulic Steering, 37 Gallon Fuel Tank 

  • 3.0+ Performance Package Includes:

Full Center Tube, Aluminum Underdeck, Large Lifting Strakes On The Center Tube, Large Lifting Strakes On The Inside Of The Outer Tubes, Spray Rails, Pad Running Surface, Seastar Hydraulic Steering, Power Assist Steering Pump, Sport Ski Tow Bar, 52 Gallon Fuel Tank  

Saltwater Edition Package

  • Saltwater Decal, & Anode

Chassis Upgrades

  • 20" Shaft Transom (Standard)
  • Aluminum Underdeck
  • Lifting Strakes

Canvas / Tops

  • Power Electric Bimini Top Standard Includes Boot (Standard)
  • Speed Top (Electric Bimini- Black Only)
  • Mooring Cover (Standard)
    • Light Gray
    • Navy
    • Coal
  • Half Camper Enclosure
  • Full Camper Enclosure
  • Seat Covers No Mooring Cover
  • Seat Covers and Mooring Cover
  • Sand Bar Shade (Black Only)

Engine Brand

  • No Engine No Rigging
  • Honda
  • Mercury
  • Suzuki
  • Yamaha

Engine Options

  • Power Assist Steering Pump


  • Standard Helm (Standard)
  • Lowrance Electronics
  • Wet Sounds Sub/AMP/8" Recon Audio Upgrade
  • Helm Riser
  • Seastar Hydraulic Steering
  • SS Steering Wheel w/ Knob


  • Deluxe Table Upgrade
  • Drop Down Stowable Privacy Curtain
  • Traditional Captains and Port Chair
  • Tilt Out Trash Can (Port Aft Chaise)
  • Dual Tilt Out Trash Can w storage
  • Expandable Buffet
  • 1-2 24" Bow Bench
  • RGB LED Floor, Table & Seat Base Lights


  • Billet Grab Handle  
  • Dual Battery Switch & Charger  
  • Dual Battery Switch Only  
  • Moving Prop Alert - Dual Display  
  • SS Pop Up Bow Cleats  
  • SS Pop Up Stern Cleats  
  • Stainless Steel Rub Rail Insert  
  • Ski Tow Bar Safety Net  

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to Covid19 supply chain issues, some features and options shown may be temporarily substituted or removed.


South Bay Pontoons
South Bay’s success is not measured by sales dollars or the number of units sold, but by the rave reviews we get from satisfied customers. It is the praises of people who use and live with South Bay pontoons that tell us we’re doing things right. Outstanding amenities and superior-grade components draw customers into our dealers’ showrooms. Quality-driven construction and strict attention to details get our customers out onto clear blue waters for days, months, and years of total enjoyment. And, unrivaled customer service makes South Bay customers our best repeat buyers and word-of-mouth sales force.