2004 Lagoon 43 Power Cat

$299,000

Used

Boat in Kemah, TX 77565 US

builtBuilt in 2004
Year the boat was built
model

43 Power Cat

Boat model
engine

2 Engines (2x Volvo)

Engine type and count
length

43 feet

Overall boat length
fuel

Diesel

Fuel type
material

Fiberglass/Reinforced

Hull material
Length Overall
43ft
Length at Waterline
29.08ft
Beam
21ft
Max Draft
3.92ft
Cabins
2
Heads
3
Fresh Water Tanks
198gal
Fuel Tanks
103gal
Hull Material
fiberglass
Hull Shape
catamaran
Engine 1
Engine Make
Volvo
Engine Model
KAMD300
Total Power
382.19hp
Engine Hours
2150
Engine Type
inboard
Fuel Type
diesel
Engine Year
2004
Engine 2
Engine Make
Volvo
Engine Model
KAMD300
Total Power
382.19hp
Engine Hours
2150
Engine Type
inboard
Fuel Type
diesel
Engine Year
2004
Summary
The 2004 Lagoon 43 Power Catamaran is widely regarded as one of the most comfortable, efficient, and owner‑friendly cruising power cats in its class. Known for Lagoon’s catamaran expertise, this model blends excellent seaworthiness, generous living spaces, and impressive fuel‑efficient performance.
Galley
  • Propane 4-burner cooktop and oven (with a remote shut-off valve for safety)
  • 1200-Watt microwave oven
  • New 12V under-counter Dometic fridge
  • separate large box freezer


For clean-up you have a two-well sink with spray faucet. A “purified” water faucet with UV purifier is also installed at the sink.

Deck and Equipment
  • Atlantic windlass (new motor Apr. 2023)
  • 45 lb delta anchor with a new spray-off hose in the chain locker
  • Padded seating in bow & padded sunning area behind flybridge
  • Large storage compartments in bow include a Rainman watermaker & many spare parts & filter
  • An electric hoist aft
  • Presto XL500R hydraulic tender launch share the swim deck
  • Eisenglass encloses the cockpit, with a trio of screens also available for shading from the sun.
Electronics and Navigation

She includes a full complement of Garmin instrumentation, at the upper helm a GPSMap 5208 Chartplotter and GMI10 remote instrument display. At the lower helm is a GPSMap 5212 Chartplotter and Garmin Autopilot system. The arch-mounted Garmin GMR 24 Radar can be displayed on either Chartplotter. A WaveWiFi MNC1250 WiFi/cellular fallback router with antenna is included in the sale (cellular SIM card not included, contact your cellular provider). A Standard Horizons Explorer VHF radio is at the lower helm, with a remote (wired connector) handheld available at the flybridge. The Pioneer multifunction radio provides music inside and outside. An HDTV is wall-mounted in the salon. An arch-mounted spotlight is available from the flybridge.

Additional
  • The exterior cushions and salon setee cushions are all brand new mid/late 2025
  • Vesper Cortex system with AIS, VHF2, remote vessel monitoring, shore power alarm, and high water alarms.
  • The cortex also streams the boat data (GPS, depth, AIs, etc) to any iPad app over wifi via a wifi gateway. 
  • toilets converted to flush using freshwater


There are four OEM bilge pumps, one replaced in Apr. 2023. Two automatic bilge switches aft were replaced in Apr. 2023. A pair of Rule bilge pumps with float switches were previously added for redundancy. The OEM pumps for the forward compartments are manually activated from the DC Control Panel. The vessel is equipped with a FlowScan fuel consumption system that interfaces to the GPSMap 5212 Chartplotter for display of fuel use statistics. 


Both engines & the genset have replaced start batteries (Feb. 2023) with eight 100 Amp-hr batteries for the house bank. House batteries are charged via solar bimini and two solar panels mounted on the port rail, or by the port-side alternator when underway. Start batteries are charged via each alternator & a Dolphin 3-output 80-amp charger from shore power.

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.

Generators
Generator 1
Make
Onan
Model
MDKAW
KW
11
RPM
0
Hours
0
Detail
Onan, MDKAW, 11 KW

Price History

DateEventPrice
2/27/26Initial price$299,000

Overview from around the web 2004 Lagoon 43 Power Cat

Customers reviewing the 2004 Lagoon 43 Power Cat often highlight its spacious and comfortable design, making it ideal for both cruising and entertaining

Many appreciate the stability and smooth handling provided by its catamaran hull, which offers a more comfortable ride compared to traditional monohulls. The generous deck space and well-appointed cabins receive positive remarks for enhancing onboard living. Additionally, users frequently mention the reliable performance of its twin engines and the practicality of its layout for extended trips. Overall, the 2004 Lagoon 43 Power Cat is praised for combining power, comfort, and versatility in a stylish package.

The Biggest Pros and Cons

The 2004 Lagoon 43 Power Cat offers a unique blend of performance and comfort, making it a notable choice among power cats. Here are some of the pros and cons to consider:

Pros

Spacious Layout: The Lagoon 43 Power Cat features a roomy and open deck plan, providing ample living and entertaining space both inside and out.

Stability: Thanks to its catamaran design, it offers excellent stability under power and at anchor, reducing seasickness and enhancing comfort.

Fuel Efficiency: The twin engines combined with the lightweight hull design contribute to relatively efficient fuel consumption compared to monohulls of similar size.

Shallow Draft: Its shallow draft allows access to shallower waters and anchorages that are off-limits to deeper keel boats.

Comfortable Accommodations: The boat typically includes multiple cabins and heads, making it suitable for extended cruising with family or guests.

Good Visibility: Elevated helm stations and large windows provide excellent visibility for navigation and sightseeing.

Cons

Speed Limitations: While more efficient than many sail catamarans, the Lagoon 43 Power Cat is not designed for high-speed performance compared to some other powerboats.

Maintenance: Dual engines and systems on both hulls can mean higher maintenance requirements and costs.

Maneuverability: Although generally easy to handle, its wide beam may pose challenges when docking in tight marina slips.

Age Considerations: Being a 2004 model, some components and systems may be dated or require upgrading to modern standards.

Resale Market: Power catamarans have a more niche market, which can affect resale value and ease of sale compared to more conventional powerboats.

Made For

The 2004 Lagoon 43 Power Cat is ideal for boating enthusiasts who seek a spacious and comfortable power catamaran that combines performance with luxury. It's perfect for families or groups looking for a stable and roomy vessel for coastal cruising, entertaining guests, or extended stays on the water. Its design appeals to those who value ample living space, easy handling, and the versatility of a power catamaran for both leisure and adventure.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2004 Lagoon 43 Power Cat. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Catamaran cost in today's market, or how much does a Lagoon cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$3,393.56/mo
$
$
Loan amount$ 299,000
OR
%

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2004 Lagoon 43 Power Cat. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Catamaran cost in today's market, or how much does a Lagoon cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$3,393.56/mo
$
$
Loan amount$ 299,000
OR
%

Contact Sea Lake Yachts

1500 Marina Bay Drive, Bldg. 112, Kemah, TX, 77565

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Meet the Broker

Address

1500 Marina Bay Drive
Bldg. 112
Kemah, TX 77565
Other Information about Sea Lake Yachts

Sea Lake Yachts is owned and operated by Doug and Angela Hughes, a couple with not only a passion for boating but for helping buyers and sellers alike have the very best experience possible when purchasing or selling quality New and Brokerage boats. Doug has over 34 years in the business of professional yacht sales, has served six terms as the President of the local Gulf Coast Yacht Brokers Association and is now serving as a board member on the Certification Advisory Council Board for the prestigious CPYB (Certified Professional Yacht Broker) program where he served two years as the chair of that program.

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