• Slide: The Image of 2025 MB B52-21 Alpha boat on trailer under blue sky. - 1The Image of 2025 MB B52-21 Alpha boat on trailer under blue sky. - 1
  • Slide: The Image of 2025 MB B52-21 Alpha boat on trailer under cloudy sky. - 2The Image of 2025 MB B52-21 Alpha boat on trailer under cloudy sky. - 2
  • Slide: The Image of 2025 MB B52-21 Alpha boat with sleek design and spacious seating. - 3The Image of 2025 MB B52-21 Alpha boat with sleek design and spacious seating. - 3
  • Slide: The Image of 2025 MB B52-21 Alpha boat on trailer, parked outdoors. - 4The Image of 2025 MB B52-21 Alpha boat on trailer, parked outdoors. - 4
  • Slide: The Image of 2025 MB B52-21 Alpha dashboard with steering wheel and digital displays. - 5The Image of 2025 MB B52-21 Alpha dashboard with steering wheel and digital displays. - 5
  • Slide: The Image of 2025 MB B52-21 Alpha boat interior with modern seating and dashboard design. - 6The Image of 2025 MB B52-21 Alpha boat interior with modern seating and dashboard design. - 6
  • Slide: The Image of 2025 MB B52-21 Alpha boat interior with modern dashboard and seating. - 7The Image of 2025 MB B52-21 Alpha boat interior with modern dashboard and seating. - 7
  • Slide: The Image of 2025 MB B52-21 Alpha boat interior with gray and white seating. - 8The Image of 2025 MB B52-21 Alpha boat interior with gray and white seating. - 8
  • Slide: The Image of Luxurious seating in 2025 MB B52-21 Alpha boat, featuring sleek gray upholstery. - 9The Image of Luxurious seating in 2025 MB B52-21 Alpha boat, featuring sleek gray upholstery. - 9
  • Slide: The Image of Luxurious seating in 2025 MB B52-21 Alpha boat, featuring sleek design and premium materials. - 10The Image of Luxurious seating in 2025 MB B52-21 Alpha boat, featuring sleek design and premium materials. - 10
  • Slide: The Image of Luxurious interior of 2025 MB B52-21 Alpha boat with sleek seating and modern design. - 11The Image of Luxurious interior of 2025 MB B52-21 Alpha boat with sleek seating and modern design. - 11
  • Slide: The Image of 2025 MB B52-21 Alpha boat interior at marina, featuring sleek seating and modern design. - 12The Image of 2025 MB B52-21 Alpha boat interior at marina, featuring sleek seating and modern design. - 12
  • Slide: The Image of 2025 MB B52-21 Alpha boat interior with sleek seating and modern design. - 13The Image of 2025 MB B52-21 Alpha boat interior with sleek seating and modern design. - 13
  • Slide: The Image of 2025 MB B52-21 Alpha boat interior with sleek gray seating and modern dashboard. - 14The Image of 2025 MB B52-21 Alpha boat interior with sleek gray seating and modern dashboard. - 14
  • Slide: The Image of 2025 MB B52-21 Alpha boat interior with modern seating and sleek design. - 15The Image of 2025 MB B52-21 Alpha boat interior with modern seating and sleek design. - 15
  • Slide: The Image of 2025 MB B52-21 Alpha boat interior with sleek seating and modern dashboard. - 16The Image of 2025 MB B52-21 Alpha boat interior with sleek seating and modern dashboard. - 16
  • Slide: The Image of 2025 MB B52-21 Alpha boat with spacious seating and sleek design. - 17The Image of 2025 MB B52-21 Alpha boat with spacious seating and sleek design. - 17
  • Slide: The Image of 2025 MB B52-21 Alpha boat interior with spacious seating and modern design. - 18The Image of 2025 MB B52-21 Alpha boat interior with spacious seating and modern design. - 18
  • Slide: The Image of 2025 MB B52-21 Alpha boat rear view, showcasing sleek design and advanced features. - 19The Image of 2025 MB B52-21 Alpha boat rear view, showcasing sleek design and advanced features. - 19
  • Slide: The Image of 2025 MB B52-21 Alpha boat on trailer, parked outdoors under cloudy sky. - 20The Image of 2025 MB B52-21 Alpha boat on trailer, parked outdoors under cloudy sky. - 20
  • Slide: The Image of 2025 MB B52-21 Alpha engine, Raptor cover, detailed view. - 21The Image of 2025 MB B52-21 Alpha engine, Raptor cover, detailed view. - 21
  • Slide: The Image of 2025 MB B52-21 Alpha vehicle identification number plate. - 22The Image of 2025 MB B52-21 Alpha vehicle identification number plate. - 22
1/23

2025 MB B52-21 Alpha

$129,479

New

Boat in Kenmore, WA 98028 US

builtBuilt in 2025
Year the boat was built
model

B52-21 Alpha

Boat model
engine

1 Engine (INDMAR)

Engine type and count
length

21 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material

New 2025 addition to MB's acclaimed Alpha Series... It's 21' OF PURE FUN!

When we started this project, we had the following goals in mind: combine the performance and styling of the 23 Alpha with the comfort and safety of the 25 Alpha. It may be in a 21' package but we believe we accomplished our goal, and more! When we set out to create the new Alpha Series we wanted something distinct, yet functional. With a rolling wave like top rail this serves as both a unique profile visually, and an easy to reach over side when docking or picking up riders.

  • LOT's OF STANDARD OPTIONS...
  • Surf PipePlug N Play BallastSurf SystemMission Power TowerRaptor 400RGB Theatre Lighting5.5" Screen
  • 7" ScreenSurf RacksPackage A Exile Audio8.8" Cockpit Speakers12" Subwoofer w/1000watt Amp
  • Non-Slip Padded Flooring (2-layer)Non-Slip Padding Under Storage (Alpha only)Powdercoat OptionsSound Dampening
  • Pass-Thru Wind DamAOxMB Ice ChestTransom Remote
Nominal Length
21ft
Length Overall
21ft
Beam
8.33ft
Dry Weight
4900lb
Max Passengers
14
Seating Capacity
14
Fuel Tanks
65gal
Hull Material
fiberglass
Hull Shape
modified-vee
Engine 1
Engine Make
INDMAR
Engine Model
6.2L RAPTOR 400
Total Power
350hp
Engine Type
inboard
Fuel Type
gasoline
Engine Year
2025
Drive Type
v
Propeller Type
4-blade
Propeller Material
bronze
Cockpit Cushions
✓
Road Trailer
✓
Launching Trailer
✓
Cockpit Speakers
✓
Bimini Top
✓

Price History

DateEventPrice
6/28/25Initial price$129,479

2025 MB B52-21 Alpha Video Tours

Contact Seattle Water Sports

6820 NE 175th Street, Kenmore, WA, 98028

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Address

6820 NE 175th Street
Kenmore, WA 98028

Boat Location

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Contact Seattle Water Sports

6820 NE 175th Street, Kenmore, WA, 98028

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from Seattle Water Sports at the number and email provided, including messages sent using an autodialer or prerecorded voice. Message frequency varies. Message and data rates may apply. Reply STOP to opt out or HELP for assistance. Consent is not a condition of purchase. We'll also send helpful email updates about your boat search. You can unsubscribe whenever you like. See Terms of Use and Privacy Policy.

By creating an account I agree to the conditions described below
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