• Slide: The Image of 1999 Shockwave 21LS speedboat with vibrant graphics, parked indoors on a trailer. - 1The Image of 1999 Shockwave 21LS speedboat with vibrant graphics, parked indoors on a trailer. - 1
  • Slide: The Image of 1999 Shockwave 21LS boat on trailer in a garage setting. - 2The Image of 1999 Shockwave 21LS boat on trailer in a garage setting. - 2
  • Slide: The Image of 1999 Shockwave 21LS boat on trailer in a storage facility. - 3The Image of 1999 Shockwave 21LS boat on trailer in a storage facility. - 3
  • Slide: The Image of 1999 Shockwave 21LS boat engine with Weiand supercharger in a garage setting. - 4The Image of 1999 Shockwave 21LS boat engine with Weiand supercharger in a garage setting. - 4
  • Slide: The Image of 1999 Shockwave 21LS boat interior with colorful dashboard and seating in a garage setting. - 5The Image of 1999 Shockwave 21LS boat interior with colorful dashboard and seating in a garage setting. - 5
  • Slide: The Image of 1999 Shockwave 21LS boat interior with colorful upholstery and visible engine in storage. - 6The Image of 1999 Shockwave 21LS boat interior with colorful upholstery and visible engine in storage. - 6
  • Slide: The Image of Interior of a 1999 Shockwave 21LS boat with white seating and colorful dashboard. - 7The Image of Interior of a 1999 Shockwave 21LS boat with white seating and colorful dashboard. - 7
  • Slide: The Image of 1999 Shockwave 21LS boat interior with white seating and visible engine. - 8The Image of 1999 Shockwave 21LS boat interior with white seating and visible engine. - 8
  • Slide: The Image of 1999 Shockwave 21LS boat interior with steering wheel, engine, and colorful accents. - 9The Image of 1999 Shockwave 21LS boat interior with steering wheel, engine, and colorful accents. - 9
  • Slide: The Image of 1999 Shockwave 21LS boat interior with white seating, dashboard gauges, and colorful accents. - 10The Image of 1999 Shockwave 21LS boat interior with white seating, dashboard gauges, and colorful accents. - 10
  • Slide: The Image of High-performance engine of a 1999 Shockwave 21LS boat, featuring EMI Thunder components. - 11The Image of High-performance engine of a 1999 Shockwave 21LS boat, featuring EMI Thunder components. - 11
  • Slide: The Image of 1999 Shockwave 21LS speedboat with vibrant graphics, parked indoors on a trailer. - 12The Image of 1999 Shockwave 21LS speedboat with vibrant graphics, parked indoors on a trailer. - 12
  • Slide: The Image of 1999 Shockwave 21LS speedboat with vibrant graphics, parked in a spacious garage. - 13The Image of 1999 Shockwave 21LS speedboat with vibrant graphics, parked in a spacious garage. - 13
  • Slide: The Image of Rear view of a 1999 Shockwave 21LS boat showing the engine and propeller system. - 14The Image of Rear view of a 1999 Shockwave 21LS boat showing the engine and propeller system. - 14
  • Slide: The Image of Engine compartment of a 1999 Shockwave 21LS boat with Superfuel Valve system. - 15The Image of Engine compartment of a 1999 Shockwave 21LS boat with Superfuel Valve system. - 15
  • Slide: The Image of Dual marine batteries in a 1999 Shockwave 21LS boat, secured with straps. - 16The Image of Dual marine batteries in a 1999 Shockwave 21LS boat, secured with straps. - 16
  • Slide: The Image of MSD Ignition system in a 1999 Shockwave 21LS boat, with colorful splatter background. - 17The Image of MSD Ignition system in a 1999 Shockwave 21LS boat, with colorful splatter background. - 17
  • Slide: The Image of Engine of a 1999 Shockwave 21LS boat, showcasing detailed components and wiring. - 18The Image of Engine of a 1999 Shockwave 21LS boat, showcasing detailed components and wiring. - 18
  • Slide: The Image of Rear view of a 1999 Shockwave 21LS boat in a storage facility. - 19The Image of Rear view of a 1999 Shockwave 21LS boat in a storage facility. - 19
  • Slide: The Image of 1999 Shockwave 21LS boat on trailer in a garage, surrounded by vehicles. - 20The Image of 1999 Shockwave 21LS boat on trailer in a garage, surrounded by vehicles. - 20
  • Slide: The Image of High-speed Shockwave 21LS boat creating a large water spray on a sunny day. - 21The Image of High-speed Shockwave 21LS boat creating a large water spray on a sunny day. - 21
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1999 Shockwave 21 Ls Boat in Ludington, MI 49431 US

$28,900

Used
builtBuilt in 1999
Year the boat was built
model

21 Ls

Boat model
engine

1 Engine (--)

Engine type and count
length

21 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material

This boat is a well cared for high performance luxury jet boat that looks and runs like no other. She has a long list of upgrades and the buyer has spared no expense through out the years. Contact on us now for more information.



BOAT

*1999 SHOCKWAVE 21'LS

*New floor and carpet

*Sound system

*Electric rear hatch lift

*Saddle fuel tanks with super flow electric valve

*Dual batteries

*MSD 7 AL-3 ignition

ENGINE

*540 CI BBC

*Professionally built by White Performance Machines

*Runs on pump gas

*Weiand 671 blower

*Hydraulic lifters

*Dyno 850 HP 8 lbs boost

*Twin 750 holleys

*Low hours, excellent condition

*Engine and Jet totally rebuilt at same time

PUMP

*American turban Dominator jet pump

*Electric place divider

This boat is a well cared for high performance luxury jet boat looks runs like no other. She has a long list of upgrades and the buyer has spared no expense through out the years. Contact on us now for more information.

Nominal Length
21ft
Length Overall
21ft
Beam
8ft
Hull Material
fiberglass
Engine 1
Engine Model
540 CI BBC
Total Power
850hp
Engine Type
other
Fuel Type
gasoline
Drive Type
jet
Launching Trailer
✓
Cockpit Speakers
✓
Disclaimer

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Price History

DateEventPrice
7/28/26Initial price$28,900

Contact Walstrom Marine

501 Bay St., Harbor Springs, MI, 49740

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from Walstrom Marine 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.

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Days on Market

Meet the Broker

Address

501 Bay St.
Harbor Springs, MI 49740

Boat Location

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Contact Walstrom Marine about 1999 Shockwave 21 Ls

501 Bay St., Harbor Springs, MI, 49740

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from Walstrom Marine 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.

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