Home » New Boats For Sale » Nautique » 2026 Nautique GS20 Prev Boat Next Boat New - 2026 Nautique GS20 |Featured IN STOCK Description Standard FeaturesPCM® ZZ5 355HP - 5.3L Direct InjectionAdditional FeaturesPCM PCM® ZZ5 355HP - 5.3L Direct InjectionNautique Awareness Camera Tower Speakers - Prep Kit JL Audio® M Series Elite (Pre-Wired 4 Channel Amplifier)Tower Speakers - Single Speaker Housing, JL Audio® M6 Series Speakers Battery - Maintenance System Cover - Towable/Mooring with Anti-Pooling System - Tower UpHeater with DefrosterLights - Docking/Daytime Running LightSki Pylon - RetractableBow Filler CushionHeated Driver's and LoveseatStereo - JL Audio® M3 Series Premier (Zone Control, 6 JL Speakers, JL 10" Subwoofer, JL 6 Channel Amplifier)Stereo - Transom Mounted Remote ControlSurf Select with The Surf SwitchWalk-Thru Air-Dam (Slide-In)Wireless ChargingPrimary Interior - Mystic WhiteMain Stripe - Victory RedAccent Piping - Tungsten Grey Trueweave - Seat Boxing - Tungsten Grey Trueweave Non-Ski - Titanim GreyThread Color - Tungsten GreyInterior Badging - Bright Chrome Finish with Illusion FrostGS-Series Badging - White Chrome Finish with Illusion FrostInterior Deck - Mystic White - Main Stripe - Mystic WhiteMain Accent Stripe - Victory Red Accent Color - Tungsten Grey - Hull Bottom - Tungsten Grey FCT-A Primary Color - Tungsten Grey -FCT-A Secondary Color - Tungsten Grey Platform - Tungsten Grey Location:Elkhorn, WI Manufacturer:Nautique Year:2026 Status:IN STOCK Stock #:NAU375589-B1-Stock (MBS) HIN:CTC60040I526 length:20 weight:4,700 fuel-capacity:39 person-capacity:12 hull-type:Fiberglass/Composite fuel-type:Gasoline engine-horsepower:335 power:PCM ® ZZ5 355HP - 5.3L Direct Injection drive:Inboard-V beam:100" draft:30" Location Lauderdale Lakes, WI Contact Info Address: N7536 Sterlingworth Dr. Elkhorn, WI 53121 Phone: (262) 742-3898 Business Hours Mon Closed Tue - Sat 8:00AM - 5:00PM Sun 10:00AM - 4:00PM 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 Specs Location Payment Calculator Inquire About Boat Description Standard FeaturesPCM® ZZ5 355HP - 5.3L Direct InjectionAdditional FeaturesPCM PCM® ZZ5 355HP - 5.3L Direct InjectionNautique Awareness Camera Tower Speakers - Prep Kit JL Audio® M Series Elite (Pre-Wired 4 Channel Amplifier)Tower Speakers - Single Speaker Housing, JL Audio® M6 Series Speakers Battery - Maintenance System Cover - Towable/Mooring with Anti-Pooling System - Tower UpHeater with DefrosterLights - Docking/Daytime Running LightSki Pylon - RetractableBow Filler CushionHeated Driver's and LoveseatStereo - JL Audio® M3 Series Premier (Zone Control, 6 JL Speakers, JL 10" Subwoofer, JL 6 Channel Amplifier)Stereo - Transom Mounted Remote ControlSurf Select with The Surf SwitchWalk-Thru Air-Dam (Slide-In)Wireless ChargingPrimary Interior - Mystic WhiteMain Stripe - Victory RedAccent Piping - Tungsten Grey Trueweave - Seat Boxing - Tungsten Grey Trueweave Non-Ski - Titanim GreyThread Color - Tungsten GreyInterior Badging - Bright Chrome Finish with Illusion FrostGS-Series Badging - White Chrome Finish with Illusion FrostInterior Deck - Mystic White - Main Stripe - Mystic WhiteMain Accent Stripe - Victory Red Accent Color - Tungsten Grey - Hull Bottom - Tungsten Grey FCT-A Primary Color - Tungsten Grey -FCT-A Secondary Color - Tungsten Grey Platform - Tungsten Grey Location:Elkhorn, WI Manufacturer:Nautique Year:2026 Status:IN STOCK Stock #:NAU375589-B1-Stock (MBS) length:20 weight:4,700 fuel-capacity:39 person-capacity:12 hull-type:Fiberglass/Composite fuel-type:Gasoline engine-horsepower:335 power:PCM ® ZZ5 355HP - 5.3L Direct Injection drive:Inboard-V beam:100" draft:30" Location Elkhorn, 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 16 Views This Week 2026 Nautique GS20 - Featured Elkhorn 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 Bennington 27QFBAX2 New - $251,970 Nashotah, WI 2025 Moomba Tykon New - SPECIAL SAVINGS! Elkhorn, WI 2024 Crownline 250 XSS New - $102,795 Port Charlotte, FL 2025 Monaco 235 RL New - SPECIAL SAVINGS! Johnsburg, IL 2024 Solace 32 CS New - SPECIAL SAVINGS! Naples, FL 2025 Sweetwater 2286C New - SPECIAL SAVINGS! 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