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One Design · Multihull

Hobie 18 parts, rigging and specifications

The Hobie 18 is a multihull one-design class designed by Hobie Alter and Phil Edwards (1976), with a published length overall of 18 ft (5.49 m). MAURIPRO lists 24 parts for the Hobie 18 below, grouped by system, with live prices and stock.

  • Multihull
  • 24 parts
  • 10 published figures

Your Hobie 18 at MAURIPRO

What you can do on this page.

01Shop parts by system24 parts for the Hobie 18, matched by part number and grouped by system.Shop all parts →
02Check the specifications10 published figures, each with its source.See specifications →
03Rig dimensionsI, J, P, E and other data we hold for this boat.See sailboat data →
04Get expert helpNot sure a part fits your Hobie 18? Send us your sail number and year.Contact us →

Shop Hobie 18 by system

Hobie 18 parts

Prices and stock are live from our catalogue.

Parts marked "Sized for this boat" are chosen from the manufacturer sizing guides published on our Selection Guides pages (Harken winch chart, Forespar pole guide, Harken mainsheet guide, Schaefer hardware chart) using the published dimensions of the Hobie 18. They are not specified by the class rules; check your class rules for limits before racing.

Rope sold by the foot is added at the cut length shown on the card.

Hobie 18 specifications

SpecificationPublished figureSource
Length overall (LOA)18.00 ft (5.49 m)Wikipedia; matches MAURIPRO Sailboat Data
Beam8.00 ft (2.44 m)Other published figure: 7.0 ft (2.1 m) (MAURIPRO Sailboat Data)Wikipedia
Draft, board/keel down2.50 ft (0.76 m)Wikipedia
Displacement400 lb (181 kg)Other published figure: 1200 lbs. (544 kgs.) (MAURIPRO Sailboat Data)Wikipedia
Sail area (as published, total)240.00 sq ft (22.3 m²)Wikipedia
CrewtwoWikipedia
DesignerHobie Alter and Phil EdwardsWikipedia
BuilderHobie CatWikipedia
First built / designed1976Wikipedia
RigBermuda rigWikipedia

Figures are shown as each source publishes them, with the other unit converted. Class rules set the measurements that count for racing.

More for the Hobie 18

Hobie 18 tuning guides

  • Hobie Class Association of North America (Bob Mimlitch): Hobie 18 – Rigging and Tuning Guide (Hobie University)Version 2002 · 61 pages
  • Hobie Cat Company (builder): Hobie 18 SE/SX Owner's Manual (rigging and tuning notes)Version 2003 · 34 pages

Tuning guides belong to the sailmakers that publish them. MAURIPRO does not host or reproduce them; ask the sailmaker or your class association for a copy.

Hobie 18 class rules and references

  • Class rules: IHCA 2025-2028 Class Rules, revised 1 March 2026
  • Class association: hobieclass.com

References checked 2026-11-04.

Hobie 18 buying questions

What Hobie 18 parts does MAURIPRO carry?

24 products are listed for the Hobie 18 on this page: halyards, sheets & control lines (11); blocks & sheaves (3); foils, rudders & tillers (1); hiking, trapeze & crew gear (2); covers & bags (2); instruments & electronics (2); and more. Prices and availability shown are live from our catalogue.

How do I know a part fits my Hobie 18?

Each part here is linked to the Hobie 18 because its exact manufacturer part number appears on the Hobie 18 parts lists we reviewed. Fit can still depend on your boat's year, builder and rig, so check the product details and your class rules, or ask our technical team before you order.

Where can I find the Hobie 18 rig dimensions?

Our Hobie 18 Sailboat Data page lists the rig dimensions (I, J, P, E) and other published data we hold for this boat. Figures there come from a sailboat database and may differ from class measurement rules.

Are there tuning guides for the Hobie 18?

Sailmakers have published tuning guides for this class, including Hobie Class Association of North America (Bob Mimlitch) (Hobie 18 – Rigging and Tuning Guide (Hobie University), Hobie U, 31 Mar 2002); Hobie Cat Company (builder) (Hobie 18 SE/SX Owner's Manual (rigging and tuning notes), 2003 PDF). These guides belong to their publishers; MAURIPRO does not host or reproduce them, so please get them from the sailmaker or your class association.

Which rules govern the Hobie 18?

The class is governed by its class rules (IHCA 2025-2028 Class Rules, revised 1 March 2026). Check the current edition with the class association before buying parts for racing.

Not sure which part fits your Hobie 18?Send us your sail number, year and builder and our team will check it.
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