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Sailboat Specifications

Island Packet 40

Cutter · Long Keel

Designed by Bob Johnson · Built by Island Packet Yachts (Usa) · First built 1994

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LOA 40.00 ft  ·  Beam 12.92 ft  ·  Displacement 22,800.00 lb  ·  Sail Area 907.00 ft²  ·  Cutter  ·  Long Keel
About the Island Packet 40 Sailboat

Built between 1994 and 2000 with 139 hulls produced, this Bob Johnson-designed cruiser represents Island Packet's commitment to comfortable, seaworthy passage-making. The 40-footer showcases the builder's signature full keel design philosophy, prioritizing directional stability and sea-kindly motion over racing performance. With its traditional long keel configuration and cutter rig, this yacht excels at offshore cruising and coastal exploration. The substantial displacement of 22,800 pounds, combined with 10,000 pounds of ballast, creates a stable platform that handles heavy weather with confidence. The moderate sail area to displacement ratio of 18.12 suggests easy handling and comfortable sailing in varying conditions rather than blazing speed. The comfort ratio of 32.6 indicates excellent motion characteristics in seaway, while the capsize screening formula of 1.83 demonstrates good stability margins for offshore work. Island Packet's reputation for quality fiberglass construction and thoughtful interior layouts makes this model particularly appealing to serious cruisers seeking a proven bluewater design. The hull's theoretical speed of 7.81 knots reflects its displacement nature, delivering steady progress rather than thrilling performance. This yacht suits sailors prioritizing safety, comfort, and reliability over speed, making it ideal for extended cruising adventures.

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The integral bow pulpit and anchor platform on IP40s is a heavily cored fiberglass structure prone to core saturation around the windlass mounting bolts. Water intrusion here is common and can lead to significant delamination of the platform if fasteners are not properly bedded and maintained.
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Deck hardware on IP40s is typically mounted through balsa-cored deck sections. The balsa core around chainplates, stanchion bases, and sheet lead blocks is prone to saturation and rot, particularly where original bedding compound has dried out over time.
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The chainplate attachment on the IP40 runs through the deck and is glassed to the inner liner below. Inspection of the actual chainplate-to-structure connection requires removal of interior joinery panels and is frequently skipped; hidden corrosion and liner bond failures at this point are a known concern.
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Market Price Estimate Beta
Small sample size. This estimate is based on fewer than 5 listings and may not be representative of the true market. Use with caution.
$148,500 – $148,500
typical asking price
Median $148,500  ·  1 listing used
All listings
$148,500 – $148,500 1
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Dimensions & Specifications
LOA (Length Overall) 40.00 ft / 12.19 m
LWL (Waterline Length) 34.00 ft / 10.36 m
Beam 12.92 ft / 3.94 m
Max Draft 4.67 ft / 1.42 m
Displacement 22,800.00 lb / 10,342 kg
Ballast 10,000.00 lb / 4,536 kg
Ballast Type Lead
Sail Area (Reported) 907.00 ft² / 84.26 m²
Design & Construction
Hull Type Long Keel
Rigging Type Cutter
Construction FG
Designer Bob Johnson
Builder Island Packet Yachts (USA)
First Built 1994
Last Built 2000
Number Built 139
Associations Official Island Packet Yacht Owners Association
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Engine & Accommodations
Engine Make Yanmar
Engine Model 4JH3BE
Engine Type Diesel
Horsepower 56
Fuel Capacity 90 gals / 341 L
Water Capacity 170 gals / 644 L
Frequently Asked Questions

What years was the Island Packet 40 built and how many hulls were produced?

The Island Packet 40 was built from 1994 to 2000 at Island Packet Yachts' facility in Largo, Florida, with a total of just 139 hulls produced over that six-year run. That relatively modest production number makes the IP40 a comparatively rare boat on the used market. Designer Bob Johnson gave the 40 the same full-keel, cutter-rig DNA that defines the broader Island Packet line, and the limited build count means well-maintained examples tend to hold their value. Buyers searching for a used IP40 should expect to be patient — finding the right hull can take time given how few were made.

Is the Island Packet 40's bow anchor platform prone to delamination problems?

Yes, the integral bow pulpit and anchor platform on the Island Packet 40 is a known trouble spot. The structure is a cored fiberglass assembly, and the area immediately around the windlass mounting bolts is particularly vulnerable to water intrusion. Once water finds its way past the fastener bedding — which dries out and shrinks over time — it saturates the core and can cause significant delamination that spreads well beyond the bolt holes. On a boat of this vintage (1994–2000), the original bedding compound is almost certainly degraded. Any pre-purchase inspection of an IP40 should include moisture metering of the entire bow platform, with particular attention to the windlass footprint. Repairing a badly delaminated platform requires removing the windlass, opening the affected area, drying the core, and relaminating — a labor-intensive job that should factor into negotiated price.

How hard is it to inspect the Island Packet 40's chainplates, and why do surveyors miss corrosion there?

Inspecting the Island Packet 40's chainplates is genuinely difficult, and hidden corrosion at these attachment points is one of the more serious deferred-maintenance risks on this boat. The chainplates pass through the deck and are glassed directly to the full-length inner liner below deck level. Accessing the actual metal-to-structure connection requires removing interior joinery panels — typically teak or teak-veneer cabinetry — which most pre-purchase surveyors skip because it is time-consuming and risks cosmetic damage. The result is that chainplate corrosion and liner bond failures at those connections go undetected for years. On an IP40 that has spent time in wet climates or has any history of deck leaks at the chainplate deck fittings, a buyer should insist on panel removal during survey. The cost of finding a problem here is far lower than replacing a chainplate that has compromised its bond to the liner.

Did Island Packet 40s come with in-mast or in-boom furling, and is it a problem on older boats?

Many Island Packet 40 hulls were delivered with in-mast or in-boom furling mainsail systems rather than a conventional slab-reefing setup. The units fitted during the 1994–2000 production run were predominantly Selden and ProFurl systems, both of which have a documented history of problems as they age. The internal foil and sail fabric inside these systems degrades under UV exposure even when furled, and the furling mechanism itself is prone to jamming — a serious issue offshore when you need to reef quickly. Replacement sails cut for in-mast furling cost significantly more than standard mainsails, and converting to slab reefing requires a new mast or at minimum a new mast section, making the refit expensive. Buyers evaluating an IP40 should ask for the service history of the furling system and budget for either a sail replacement or a full refit to conventional reefing if the existing system shows wear.

Can the Island Packet 40's encapsulated ballast develop hidden water intrusion, and how do you find it?

The Island Packet 40 uses encapsulated lead ballast integrated into its full-keel fiberglass shell rather than externally bolted ballast. While encapsulated ballast eliminates keel bolt corrosion as a concern, it introduces a different failure mode: stress cracking at the junction between the lead encapsulation and the surrounding fiberglass, typically at the turn of the bilge. These stress cracks allow water to migrate into the encapsulated section, where it is trapped and very difficult to detect without systematic moisture metering of the keel area. Over time, trapped water can cause osmotic pressure and further structural compromise. Because the interior of the keel section is inaccessible for visual inspection, buyers should treat elevated moisture readings in this area seriously — they are not superficial. A competent marine surveyor familiar with Island Packet construction should meter the entire keel perimeter, not just spot-check, before any purchase.