Home » Used Boats For Sale » Boston Whaler » 2021 Boston Whaler 380 Realm Prev Boat Next Boat Used - 2021 Boston Whaler 380 Realm |Featured IN STOCK Description This 2021 Boston Whaler 380 Realm has clearly been cared for, and it shows. For a few years of use, it carries the kind of light, expected cosmetic wear that reassures buyers it has been enjoyed responsibly rather than neglected. The overall condition presents with the confidence you want in a late-model Whaler—clean surfaces, strong systems, and nothing to hide in terms of upkeep or history. It’s a turn-key opportunity for someone who wants big-water capability without the uncertainty that often comes with older offshore boats. The 380 Realm is built for versatile days on the water—cruising with family, entertaining friends, or running out to deeper fishing grounds when adventure calls. The layout gives you comfort at the sandbar, protection when the weather shifts, and plenty of room to unwind after a long run. It strikes that sweet spot between luxury and practical usability, making it easy to picture weekend escapes or long summer days spent hopping from harbor to harbor. Located at The Boat House Door County, it’s already sitting in the heart of some of the Midwest’s most scenic cruising water. Shoppers who know Lake Michigan and the Door Peninsula understand how valuable a capable, confident hull like this truly is. Reach out to schedule a viewing—quality Whalers in this condition don’t stay available for long.Additional FeaturesQUAD MERCURY Joystick Plt 400 CXXL VeradoMassive cockpit with self-bailing sole and abundant storageRod holders on gunnels and transom for fishingWalkthrough transom door and integrated swim platform with telescoping ladderPrep center with stainless sink, electric grill, and Corian countertop.Refrigeration under prep station.Insulated fishboxes and refrigerated under-seat cooler(s).Extensive drink holders throughout bow, helm, and cockpit areasLarge integrated hardtop with LED lighting and railsSpacious helm with room for multiple large displays and premium electronicsWindshield with walk-through lower door for easier bow accessDual USB and 12 V charging points at helmEnclosed cabin with opposing convertible seating that forms a berth.Enclosed head compartment with VacuFlush toilet, shower, and storage.Galley amenities including stainless fridge, microwave, Corian countertops, and sink.Hardwood cabin sole and quality cabin finishes (teak cabinetry).LED interior lighting with dimmer switches.24″ HDTV (in some configurations)USB charging ports.Skylight with shade and opening portholes for ventilation. Heavy-duty 316-L stainless hardware and rails.Bow anchor locker with rode and chain (windlass included).LED courtesy lighting throughout cockpit and bow.Multiple cleats (stern, midship, bow) for secure docking. High-capacity fuel and freshwater systems for longer trips.Freshwater washdowns (bow and transom).Lighting system includes both practical and courtesy LED illumination.Mechanical layout supports powerful triple or quad outboard configurations (up to ~1600 HP) Location:Sister Bay, WI Manufacturer:Boston Whaler Year:2021 Status:IN STOCK Stock #:CBK2525-B1-Ko HIN:BWCE1959B121 length:38 hours:187 hull-type:Fiberglass/Composite fuel-type:Gasoline power:Mercury Quad 400hp drive:Single Outboard beam:11.67 Videos Location Door County, WI Contact Info Address: 2587 S. Bay Shore Drive, WI 54234 Phone: (920) 854-4521 Business Hours Mon Closed Tues - Fri 9AM - 5PM Sat 9AM - 1PM Sun Closed Service Mon - Fri: 8AM-4PMSat - Sun: Closed 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: $5000000 Rate (APR %) Min: 0% Max: 30% Term (Months) Min: 0 Months Max: 288 Months Monthly Payment Summary Price of Inventory Item:$ 699990 Sales Tax (%)7 % Trade In Value or Down Payment$ 0 Rate (APR %)7.25 % Term Months240 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 This 2021 Boston Whaler 380 Realm has clearly been cared for, and it shows. For a few years of use, it carries the kind of light, expected cosmetic wear that reassures buyers it has been enjoyed responsibly rather than neglected. The overall condition presents with the confidence you want in a late-model Whaler—clean surfaces, strong systems, and nothing to hide in terms of upkeep or history. It’s a turn-key opportunity for someone who wants big-water capability without the uncertainty that often comes with older offshore boats. The 380 Realm is built for versatile days on the water—cruising with family, entertaining friends, or running out to deeper fishing grounds when adventure calls. The layout gives you comfort at the sandbar, protection when the weather shifts, and plenty of room to unwind after a long run. It strikes that sweet spot between luxury and practical usability, making it easy to picture weekend escapes or long summer days spent hopping from harbor to harbor. Located at The Boat House Door County, it’s already sitting in the heart of some of the Midwest’s most scenic cruising water. Shoppers who know Lake Michigan and the Door Peninsula understand how valuable a capable, confident hull like this truly is. Reach out to schedule a viewing—quality Whalers in this condition don’t stay available for long.Additional FeaturesQUAD MERCURY Joystick Plt 400 CXXL VeradoMassive cockpit with self-bailing sole and abundant storageRod holders on gunnels and transom for fishingWalkthrough transom door and integrated swim platform with telescoping ladderPrep center with stainless sink, electric grill, and Corian countertop.Refrigeration under prep station.Insulated fishboxes and refrigerated under-seat cooler(s).Extensive drink holders throughout bow, helm, and cockpit areasLarge integrated hardtop with LED lighting and railsSpacious helm with room for multiple large displays and premium electronicsWindshield with walk-through lower door for easier bow accessDual USB and 12 V charging points at helmEnclosed cabin with opposing convertible seating that forms a berth.Enclosed head compartment with VacuFlush toilet, shower, and storage.Galley amenities including stainless fridge, microwave, Corian countertops, and sink.Hardwood cabin sole and quality cabin finishes (teak cabinetry).LED interior lighting with dimmer switches.24″ HDTV (in some configurations)USB charging ports.Skylight with shade and opening portholes for ventilation. Heavy-duty 316-L stainless hardware and rails.Bow anchor locker with rode and chain (windlass included).LED courtesy lighting throughout cockpit and bow.Multiple cleats (stern, midship, bow) for secure docking. High-capacity fuel and freshwater systems for longer trips.Freshwater washdowns (bow and transom).Lighting system includes both practical and courtesy LED illumination.Mechanical layout supports powerful triple or quad outboard configurations (up to ~1600 HP) Location:Sister Bay, WI Manufacturer:Boston Whaler Year:2021 Status:IN STOCK Stock #:CBK2525-B1-Ko length:38 hours:187 hull-type:Fiberglass/Composite fuel-type:Gasoline power:Mercury Quad 400hp drive:Single Outboard beam:11.67 Location Sister Bay, 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: $5000000 Rate (APR %) Min: 0% Max: 30% Term (Months) Min: 0 Months Max: 288 Months Monthly Payment Summary Price of Inventory Item:$ 699990 Sales Tax (%)7 % Trade In Value or Down Payment$ 0 Rate (APR %)7.25 % Term Months240 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 20 Views This Week 2021 Boston Whaler 380 Realm - Featured Sister Bay Used IN STOCK $ 699,990 Apply for Financing 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/QuestionsBoat TitleLocationBoat URLStocknumbermmid Calculate Payment Other Recommended Boats: 2026 G3 Boats 16DK New - $22,083 Nashotah, WI 2027 Boston Whaler 130 Super Sport New - IN STOCK Nashotah, WI 2027 Nautique Ski Closed Bow New - IN STOCK Three Lakes, WI 2025 Bennington 23SXPD-EXP Used - $69,999 Elkhorn, WI 2016 Bennington 28RSRX1 Used - $65,999 Nashotah, WI 1993 Four Winns 190 Horizon Used - $6,999 Whitewater, WI 2027 Bennington 20SL New - $51,625 Three Lakes, WI 2027 Bennington 22SSR SPS New - $74,348 Three Lakes, WI 2027 Sweetwater 2286SBC New - IN STOCK Johnsburg, IL 2025 Everglades 273 CC New - SPECIAL SAVINGS! 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