Tanks
One scale per liquid across every boat: a tank twice the height holds twice as much.
Lagoon 46 Iconic
Fuel275 galWater79 gal7 gal of water per berth
Signature 510
Fuel211 galWater159 gal
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Lagoon 46 IconicvsPrivilège Marine Signature 510
Signature 510 is 2.4 ft longer than Lagoon 46 Iconic (5%). Signature 510 has the lowest air draft, 69.6 ft; Lagoon 46 Iconic stands 6.6 ft taller.
Anyone with the link sees this comparison.
Key differences
Worked out from the published figures below — arithmetic, not opinion.
- Signature 510 is 2.4 ft longer than Lagoon 46 Iconic (5%).
- Signature 510 has the lowest air draft, 69.6 ft; Lagoon 46 Iconic stands 6.6 ft taller.
At a glance
Dark icons are the standard layout; faded ones are what the larger layout adds.
Lagoon
Lagoon 46 Iconic
Sailing Catamaran
- Length
- 47.6 ft
- Beam
- 26.1 ft
- Draft
- 4.5 ft
Length : beam 1.8 : 1
Cabins3–4Headsnot publishedBerths6–12Privilège Marine
Signature 510
Sailing Catamaran
- Length
- 50 ft
- Beam
- 26.2 ft
- Draft
- 5.2 ft
Length : beam 1.9 : 1
Cabins3–4Headsnot publishedBerthsnot published
Length : beam is length divided by beam — the higher it is, the slimmer the hull. Multihulls read low by nature.
A figure marked with a quote mark was read from the builder's page. Open it for the exact line, the page and the date.
| Model |  Lagoon Lagoon 46 Iconic |  Privilège Marine Signature 510 |
|---|---|---|
| Overview | ||
| Brand | Lagoon | Privilège Marine |
| Model | Lagoon 46 Iconic | Signature 510 |
| Generation | Unknown | Unknown |
| Hull type | Sailing Catamaran | Sailing Catamaran |
| Propulsion | Sail | Sail |
| Production status | In production | In production |
| Production start year | Unknown | Unknown |
| Production end year | Unknown | Unknown |
| Designer | Nauta Design | Darnet Design |
| Dimensions | ||
| LOA | 47.6 ft | 50 ft |
| Hull length | 45.9 ft | Unknown |
| Beam | 26.1 ft | 26.2 ft |
| Draft | 4.5 ft | 5.2 ft |
| Displacement | 35,935 lb | 37,479 lb |
| Accommodation | ||
| Cabins | 3–4 | 3–4 |
| Heads | Unknown | Unknown |
| Berths | 6–12 | Unknown |
| Performance & Rig | ||
| Main sail | 823 ft² | 947 ft² |
| Jib | Unknown | Unknown |
| Genoa | Unknown | 614 ft² |
| Upwind sail area | 1,367 ft² | Unknown |
| Downwind sail area | Unknown | 1,292 ft² |
| Engine power | 57 hp | 80 hp |
| Engine count | 2 | 2 |
| Materials | ||
| Hull material | Unknown | Unknown |
| Deck material | Unknown | Unknown |
| Mast material | Unknown | Unknown |
| Keel type | Unknown | Unknown |
| Rudder type | Unknown | Unknown |
| Sources |
12 of 12 figures here carry the builder's own words |
11 of 11 figures here carry the builder's own words |
Size, to scale
Each boat's published length and beam seen from above, and its mast height and draft from the side, all drawn on one scale.
Outlines are schematic; the dimensions are the builder's.
Speed, power & tanks
What the builders publish about how fast, how strong and how far — each figure on one scale for every boat.
How they sail, in numbers
Classic yacht-design ratios worked out from each builder's published figures. They compare boats; they don't grade them.
Sail area / displacement
How much sail the boat carries for its weight — its power in light air.
- Lagoon 46 Iconic20.1· Performance
- Signature 51022.3· Performance
How it is worked out
sail area (ft²) ÷ (displacement as ft³ of seawater)^⅔
Lagoon 46 Iconic: published upwind sail area
Signature 510: mainsail + genoa, added up
Displacement / length
How heavy the boat is for its waterline length. Lower is lighter and quicker; higher is steadier and roomier.
- Lagoon 46 Iconicnot published: waterline length
- Signature 510151· Light
How it is worked out
displacement (long tons) ÷ (0.01 × waterline length in ft)³
Most builders publish a light displacement. The ratios were defined on a loaded boat, so every boat here reads a little lighter than a surveyor's figure would — all alike, which keeps them comparable.
Worth adding to this comparison
The boats most like the ones above, by hull form, size and use.