⭐ What Makes the Island Packet 35 Different

Island Packet built its reputation on eliminating the structural failure points common to other production builders:

• Solid fiberglass hull — no balsa or foam core below the waterline. No wet core. No delamination. The hull is dramatically heavier than comparable production boats but essentially bulletproof.
• Integral keel — the ballast is part of the hull casting. No separate keel attached with keel bolts. The most common failure point on fin-keel production boats doesn't exist on an Island Packet.
• Full keel design — tracks well, forgiving in a seaway, excellent motion comfort on passage. Shoal draft (4'9") allows access to protected anchorages.
• Factory quality — Island Packet's interior finish was hand-crafted and substantially above production norm. The teak joinery, hardware installations, and systems were done properly the first time.

⚠ Known Issues & Common Problems

The IP35's structural integrity is rarely the issue. The concerns are system-age related on a 26–40 year old boat. Note that many Island Packet owners are meticulous maintainers — documentation quality on well-kept IP35s is often better than any other boat in its class.

• Critical

  Original Through-Hulls

  All IP35s are now 26–40 years old. Even the highest-quality bronze through-hulls have a service life — dezincification eventually affects all bronze fittings, and the IP35 has more through-hulls than most 35-footers given its comprehensive systems.

  Knife blade test every fitting. The IP35 typically has sea cocks for: head, galley sink, engine raw water, cockpit drains, depth/speed transducer, watermaker (if equipped). Budget $1,200–$2,500 for complete replacement.
• Major

  Standing Rigging Age

  A 26–40 year old boat needs rigging documentation. The IP35's mast and rig are properly engineered for offshore use — keep them that way with documented replacement history. Wire or rod standing rigging past 15 years is overdue regardless of brand.

  Request documentation. Inspect all swages or rod end fittings. An IP35 rigging replacement typically runs $2,000–$4,000 due to the larger rig. Consider this the cost of offshore assurance.
• Major

  Engine — Universal, Westerbeke, or Yanmar

  Most IP35s came with a Universal M-40 or Westerbeke 40 diesel; later boats may have Yanmar. These are reliable engines but engine hours on a cruising boat can be very high. A 35-footer used for offshore passages accumulates hours quickly.

  Request all service records including impeller, heat exchanger, injector, and fuel filter history. Check actual hours carefully. At sea trial: run hard under load, check for smoke, overheating, or vibration. Engine replacement on an IP35: $8,000–$15,000 installed.
• Major

  Teak Decks & Cabin Top

  Many Island Packet 35s have teak-laid decks and cabin tops — beautiful but high-maintenance. After 26–40 years, teak decks range from pristine (on meticulous owners' boats) to failing (on neglected ones). Teak deck condition is one of the biggest visual differentiators between IP35s on the market.

  Inspect seam compound condition — cracked or missing compound allows water under the teak and into the deck structure. Press on the teak planks: any flex or hollow sound indicates failed bedding. Teak deck renewal: $500–$2,000 for caulk and sealant work; full replacement: $12,000–$25,000.
• Major

  Electrical System & Electronics

  Well-maintained IP35s often have updated electrical systems — one of the things knowledgeable IP owners do. However, original 1980s wiring on an unmaintained boat is aging and should be assessed. Electronics from the 1980s–1990s are obsolete and typically need replacement regardless.

  Document what's been updated. A well-equipped IP35 with modern electronics (chartplotter, AIS, VHF DSC, SSB) and updated wiring is worth a meaningful premium. Budget $5,000–$15,000 for electronics and electrical updates on a boat that needs them.
• Minor

  Stuffing Box / Prop Shaft Seal

  The IP35's prop shaft stuffing box (traditional dripping type or dripless) should be inspected at survey. On a 26–40 year old boat, a traditional stuffing box may need repacking; a dripless seal may need replacement of the rubber bellows.

  At sea trial: check the bilge for normal stuffing box drip rate (a few drops per minute at rest is correct). A dripless seal that shows any seawater entry needs inspection. Budget $100–$400 for stuffing box service; $200–$600 for dripless seal replacement.
• Minor

  Watermaker (if equipped)

  Many IP35s have a watermaker installed — a major offshore convenience. Original watermakers from the 1980s–90s are typically obsolete or non-functional. A working, modern watermaker (50–80 GPH) adds $5,000–$12,000 in real value.

  Test the watermaker — make water, check output, check membrane age (typically 2–5 years). A non-functional watermaker is a $4,000–$8,000 deduction from asking price. A working modern unit is a genuine asset.

✅ Survey Checklist

💰 Price Guide by Condition

Island Packet 35 pricing is primarily driven by equipment level, electronics, engine condition, and teak deck status rather than year. A well-equipped, well-maintained IP35 from 1986 can command more than a neglected 1995 boat. Engine hours and watermaker condition are the two biggest value variables.

👥 Owner Communities & Resources