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Seller's Description

This Islander has lots of room on deck as well as below.

The cockpit is large enough for at least 6 people and the traveler is located above the cabin entrance, so no one has to jockey around and interfere with the changes in the main while underway.

Below deck is a large cabin with a pull-out settee to port and a convertible bunk settee to starboard. The navigation center is positioned on the port side and has ample table space for charts. There is a single bunk on the aft port side that extends under the cockpit.

Forward of the main cabin is the V-Berth and head. The toilet has been replaced with one connected to a holding tank.

The owner is a licensed Capitan and used the boat for Bay Charter Cruises.

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Specs

Designer
Alan Gurney
Builder
Islander / Tradewind Yachts
Association
Islander 36 Association
# Built
770
Hull
Monohull
Keel
Fin
Rudder
Skeg
Construction
FG

Dimensions

Length Overall
36 1 / 11 m
Waterline Length
28 2 / 8.6 m
Beam
11 1 / 3.4 m
Draft
6 0 / 1.9 m
Displacement
13,450 lb / 6,101 kg
Ballast
5,820 lb / 2,640 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
576′² / 53.5 m²
Total Sail Area
576′² / 53.5 m²
Mainsail
Sail Area
250′² / 23.3 m²
P
39 2 / 12 m
E
12 9 / 3.9 m
Air Draft
?
Foresail
Sail Area
326′² / 30.3 m²
I
45 0 / 13.7 m
J
14 5 / 4.4 m
Forestay Length
47 3 / 14.4 m
Spinnaker
SPL/TPS
14 11 / 4.6 m
ISP
?

Auxilary Power

Make
Pathfinder
Model
50
HP
42
Fuel Type
Diesel
Fuel Capacity
32 gal / 121 l
Engine Hours
?

Accomodations

Water Capacity
54 gal / 204 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
7.7 kn
Classic: 7.12 kn

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Formula

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

7.73 knots
Classic formula: 7.12 knots
Sail Area/Displacement
16.3
16-20: good performance

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

Formula

SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
16.29
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
43.3
>40: stiffer, more powerful

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Formula

Ballast / Displacement * 100

43.27
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
266.4
200-275: moderate

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

Formula

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
266.39
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
27.2
20-30: coastal cruiser

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Formula

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
27.15
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
1.9
<2.0: better suited for ocean passages

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

Formula

CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
1.88
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

With nearly 800 boats built this was one of the most successful models from Islander Yachts.
During it’’s production history the ISLANDER 36 was delivered with the following engines (in a an approximate cronological order):

Universal Atomic 4 -Gas
Palmer P-60 - Gas
Perkins 4-108 - Diesel
Westerbeke L-25 - Diesel
Pathfinder - Diesel
Yanmar - Diesel

It is said that the molds for the ISLANDER 36 were purchased by Newport Offshore Yachts of CA, USA in 1986. But it is not known if any other boats were built after this date.

SHOAL DRAFT: 4.8’/1.46m

TALL RIG:
I(IG):47.00’ / 14.33m
J: 14.48’ / 4.41m
P: 41.30’ / 12.59m
E: 12.80’ / 3.90m

This listing is presented by PopYachts.com. Visit their website for more information or to contact the seller.

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