Home » New Boats For Sale » Nautique » 2026 Nautique GS20 Prev Boat Next Boat New - 2026 Nautique GS20 |Featured IN STOCK Description 2026 Nautique GS20 – This 20′ crossover is powered by a PCM ZZ5 355hp 5.3L direct-injection engine, delivering smooth, responsive power for surfing, wakeboarding, or skiing. The Nautique Surf System with Waveplate, Hydro-Plate, and Surf Pipe Exhaust provides customizable waves and quiet, clean performance behind the boat. Features include a Flight Control Tower with JL Audio M6 tower speaker, M3 Premier stereo, LINC Panoray helm display, wireless charging, and a heater with defroster for extended seasons. The interior combines Jet Black and Tungsten Grey Trueweave with Haze Grey accents, heated driver and loveseat seating, and softmax flooring for comfort and durability. Finished with docking lights, enhanced courtesy lighting, and retractable ski pylon, the GS20 blends Nautique’s premium craftsmanship, versatility, and style for any watersport. Call or visit us today to make it yours!Additional FeaturesPCM ZZ5 355HP - 5.3LNautique Awareness CameraTower Prep Kit JL M Series EliteSingle Tower Speaker JL Audio® M6 Series 880xDual Battery Maintenance System/ ChargerTowable/Mooring Cover- Tower UpHeater with DefrosterDocking/Daytime Running LightsEnhanced Courtesy Lighting PackageSki Pylon - RetractableSeating - Bow Filler CushionHeated Drivers and LoveseatJL Audio® M3 Series Premier StereoWalk-Thru Air-Dam (Slide-In)Wireless ChargingColors:Primary Interior - Haze GreyMain Stripe - Jet Black TrueweaveAccent Piping - Jet Black SoftmaxSeat Boxing- Jet Black TrueweaveNon-Skid - Mocha BrownThread - BlackInt. Chromax- BlackExt. Chromax- BlackInterior Deck- Haze GreyMain Stripe - Tungsten GreyMain Accent Stripe- Jet BlackAccent - Haze GreyHull Bottom - Tungsten GreyFct - Primary - Haze GreyFct - Secondary-Jet BlackPlatform - Tungsten GreyNSS Covers - Jet Black Location:Three Lakes, WI Manufacturer:Nautique Year:2026 Status:IN STOCK Stock #:NAU367668-B1-Stock HIN:CTC60034H526 length:20 weight:4,700 fuel-capacity:39 person-capacity:12 hull-type:Fiberglass/Composite fuel-type:Gasoline engine-horsepower:355 power:PCM ZZ5 355HP - 5.3L Direct Injection drive:Inboard-V beam:8.33 draft:2.5 Videos Location Three Lakes, WI Contact Info Address: 7453 Hwy X Three Lakes, WI 54562 Phone: (715) 546-3351 Business Hours Mon - Sat 8:00AM - 5:00PM Sun 9:00AM - 1:00PM Payment Calculator Loan Payment Details Price of Inventory Item Min: $0 Max: $5000000 Sales Tax (%) Min: 0% Max: 10% Trade-In Value or Down Payment Min: $0 Max: $5000000 Rate (APR %) Min: 0% Max: 30% Term (Months) Min: 0 Months Max: 288 Months Monthly Payment Summary Price of Inventory Item:$ 0 Sales Tax (%)7 % Trade In Value or Down Payment$ 0 Rate (APR %)7.25 % Term Months144 Months Estimated Monthly Payment:$ *Financing offered through the Boat House Financial Services and our lending partners. Available rates are dependent on many factors including credit score, down payment, loan term, loan amount, vessel value and vessel age. Minimum credit history and down payment requirements will dictate final approval. Rates are subject to change without notice. Financing is available with approved credit (W.A.C.).The Boat House reserves the right to withdraw any offer of financing. Apply For Financing Boat Inquiry Description Videos Specs Location Payment Calculator Inquire About Boat Description 2026 Nautique GS20 – This 20′ crossover is powered by a PCM ZZ5 355hp 5.3L direct-injection engine, delivering smooth, responsive power for surfing, wakeboarding, or skiing. The Nautique Surf System with Waveplate, Hydro-Plate, and Surf Pipe Exhaust provides customizable waves and quiet, clean performance behind the boat. Features include a Flight Control Tower with JL Audio M6 tower speaker, M3 Premier stereo, LINC Panoray helm display, wireless charging, and a heater with defroster for extended seasons. The interior combines Jet Black and Tungsten Grey Trueweave with Haze Grey accents, heated driver and loveseat seating, and softmax flooring for comfort and durability. Finished with docking lights, enhanced courtesy lighting, and retractable ski pylon, the GS20 blends Nautique’s premium craftsmanship, versatility, and style for any watersport. Call or visit us today to make it yours!Additional FeaturesPCM ZZ5 355HP - 5.3LNautique Awareness CameraTower Prep Kit JL M Series EliteSingle Tower Speaker JL Audio® M6 Series 880xDual Battery Maintenance System/ ChargerTowable/Mooring Cover- Tower UpHeater with DefrosterDocking/Daytime Running LightsEnhanced Courtesy Lighting PackageSki Pylon - RetractableSeating - Bow Filler CushionHeated Drivers and LoveseatJL Audio® M3 Series Premier StereoWalk-Thru Air-Dam (Slide-In)Wireless ChargingColors:Primary Interior - Haze GreyMain Stripe - Jet Black TrueweaveAccent Piping - Jet Black SoftmaxSeat Boxing- Jet Black TrueweaveNon-Skid - Mocha BrownThread - BlackInt. Chromax- BlackExt. Chromax- BlackInterior Deck- Haze GreyMain Stripe - Tungsten GreyMain Accent Stripe- Jet BlackAccent - Haze GreyHull Bottom - Tungsten GreyFct - Primary - Haze GreyFct - Secondary-Jet BlackPlatform - Tungsten GreyNSS Covers - Jet Black Location:Three Lakes, WI Manufacturer:Nautique Year:2026 Status:IN STOCK Stock #:NAU367668-B1-Stock length:20 weight:4,700 fuel-capacity:39 person-capacity:12 hull-type:Fiberglass/Composite fuel-type:Gasoline engine-horsepower:355 power:PCM ZZ5 355HP - 5.3L Direct Injection drive:Inboard-V beam:8.33 draft:2.5 Location Three Lakes, WI Payment Calculator Loan Payment Details Price of Inventory Item Min: $0 Max: $5000000 Sales Tax (%) Min: 0% Max: 10% Trade-In Value or Down Payment Min: $0 Max: $5000000 Rate (APR %) Min: 0% Max: 30% Term (Months) Min: 0 Months Max: 288 Months Monthly Payment Summary Price of Inventory Item:$ 0 Sales Tax (%)7 % Trade In Value or Down Payment$ 0 Rate (APR %)7.25 % Term Months144 Months Estimated Monthly Payment:$ *Financing offered through the Boat House Financial Services and our lending partners. Available rates are dependent on many factors including credit score, down payment, loan term, loan amount, vessel value and vessel age. Minimum credit history and down payment requirements will dictate final approval. Rates are subject to change without notice. Financing is available with approved credit (W.A.C.).The Boat House reserves the right to withdraw any offer of financing. Apply For Financing 51 Views This Week 2026 Nautique GS20 - Featured Three Lakes New IN STOCK Trade/Sell Schedule Demo Contact Seller: Δ Inquiry Type Get More Info Buy Boat Check Price Name(Required) First Last Email(Required) PhonePreferred Method of Contact:Preferred Method of ContactEmailPhoneWhere Customer Boats:Comments/QuestionsThis field is hidden when viewing the formBoat TitleThis field is hidden when viewing the formLocationThis field is hidden when viewing the formBoat URLThis field is hidden when viewing the formStocknumberThis field is hidden when viewing the formmmid Calculate Payment Other Recommended Boats: 2024 Crownline 240 DC New - $145,855 Naples, FL 2006 Formula 240 BR Used - $44,999 Johnsburg, IL 2024 Grady-White Freedom 307 New - SALE PENDING Sister Bay, WI 1993 Four Winns 190 Horizion Used - $6,999 Whitewater, WI 2026 Cobalt R6 Surf New - IN STOCK Sister Bay, WI 2026 Sweetwater 2286CPSE New - SALE PENDING Johnsburg, IL 2026 Boston Whaler 280 Outrage New - SALE PENDING Sister Bay, WI 2023 Bennington 23SXL EXP TRI Used - $47,999 Three Lakes, WI 2026 Everglades 315 CC New - IN STOCK Cape Coral, FL 2026 Hurricane SS185-OB New - IN STOCK Three Lakes, WI 2026 Sweetwater 2286 SBX New - IN STOCK Cape Coral, FL 2026 Bennington 23SSR-SPS (PB) New - IN STOCK Elkhorn, WI 2026 Sportsman 232 Open New - IN STOCK Cape Coral, FL 2026 Sportsman 247 Masters New - IN STOCK Naples, FL 2026 Sportsman 282 Open New - IN STOCK Naples, FL 2026 G3 Boats Angler V17 C New - $44,722 Three Lakes, WI 2007 Stingray 185 Used - $8,999 Elkhorn, WI 2019 Nautique 200 Used - $67,999 Elkhorn, WI 2026 Bennington 25 QXFBA New - IN STOCK Naples, FL 2026 Sweetwater 2286 FS New - IN STOCK Port Charlotte, FL 2026 Everglades 395 CC New - IN STOCK Naples, FL 2016 Harris Solstice 240 Used - $42,999 Elkhorn, WI 2013 Bennington 20 SLMX Used - $18,999 Elkhorn, WI 2026 Cobalt R31 New - IN STOCK Cape Coral, FL 2025 Regal LS2 New - SPECIAL SAVINGS! 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