Fractional Sloop
• Catamaran Twin Keel
• Built 2016–2025
Dimensions
LOA
42 ft
LWL
41 ft
Beam
25.25 ft
Max Draft
4.1 ft
Displacement
26,678 lbs
Ballast
— lbs
Performance Ratios
Capsize Ratio ⓘ
3.38
(use caution offshore)
SA/D Ratio ⓘ
17.3
D/L Ratio ⓘ
173
Ballast Ratio ⓘ
—
Sail Plan
Sail Area
968 sq ft
Construction
Hull Type
Catamaran Twin Keel
Rig Type
Fractional Sloop
Hull Material
FG
Ballast Type
—
Production
First Built
2016
Last Built
2025
Number Built
—
Engine & Accommodations
Engine Make
Yanmar
Engine Model
4JH4
Power
90 hp
Engine Type
Diesel X 2
Water
79 gal
Fuel
79 gal
Mast Height
67.75 ft
Notes: Replaces LAGOON 420-421.\nReplaced by the Lagoon 43 in 2025. For a limited time, Lagoon offered a "Millennium" edition of the 42. 4 cabin only, ready to sail, single configuration.\n