Detailed sailboat specifications and datasheets since 2015
Imperial & Metricboth
Island Packet 349
Last update: 17th April 2020
The Island Packet 349 is a 38’4” (11.66m) cruising sailboat designed by Robert Johnson (United States). She is built since 2018 by Island Packet Yachts (United States). She has been awarded "2019 - Cruising World - Boat of the Year: Overall Boat of the Year", "2019 - Cruising World - Boat of the Year: Domestic Boat" and "2019 - Cruising World - Boat of the Year: Midsize Cruiser Under 38 Feet".
2019: Cruising World - Boat of the Year: Overall Boat of the Year
2019: Cruising World - Boat of the Year: Domestic Boat
2019: Cruising World - Boat of the Year: Midsize Cruiser Under 38 Feet
Keel : semi-full keel
Single helm wheel
Single rudder on skeg
EC design category
iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)
A: Wind < force 9, Waves < 10m B: Wind < force 8, Waves < 8m C: Wind < force 6, Waves < 4m D: Wind < force 4, Waves < 0,5m
Standard public price ex. VAT (indicative only)
250 000 €
Island Packet 349's main dimensions
38’ 4”11.66 m
38’ 4”11.66 m
31’ 5”9.58 m
12’ 6”3.81 m
Mast height from DWL
Light displacement (MLC)
19998 lb9071 kg
7599 lb3447 kg
Island Packet 349's rig and sails
Upwind sail area
774 ft²71.9 m²
Sloop Marconi masthead
Keel stepped mast
Number of levels of spreaders
1x19 strand wire continuous
Island Packet 349's performances
Upwind sail area to displacement
iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.
The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size.
Upwind: under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 25 it indicates a fast sailboat.
178 ft²/T16.53 m²/T
Displacement-length ratio (DLR)
iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet). The DLR can be used to compare the relative mass of different sailboats no matter what their length:
a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat.
iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.
The higher the ballast ratio is, the greater is the stability.
Critical hull speed
iAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed". The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34.