Voyage 20 Information, Review, Specs

Make
Voyage
Model
20
Builder
International Marine
Designer
Herb Stewart/International Marine
Number Built
Production Year(s)
2013 - ??

The Voyage 20 represents a strategic evolution for International Marine, designed as a more sophisticated and performance-oriented alternative to the legendary West Wight Potter 19. Launched to bridge the gap between simple pocket cruisers and more robust coastal voyagers, the Voyage 20 carries the DNA of its "Potter" siblings—specifically the focus on trailerability and ease of use—but introduces a refined hull form and a modernized rig. Built in California, the boat features a hard-chine hull design that prioritizes initial stability and an innovative lead-ballasted keel system. Unlike the Potter 19, which utilizes a galvanized steel swing keel, the Voyage 20 was engineered to offer a more "yacht-like" feel, addressing common owner feedback regarding performance to windward and interior layout constraints.

Sailing Performance & Handling

The Voyage 20 is frequently described as "zippy" compared to its predecessor, a characteristic largely attributed to its refined foil-shaped keel and fractional sloop rig. With a displacement-to-length ratio of approximately 179, it falls into the category of a light-to-moderate cruiser, ensuring it is responsive in light air while remaining manageable for a single-handed sailor. The sail area-to-displacement ratio of roughly 16.8 suggests a boat that can maintain momentum in moderate breezes without the sluggishness often associated with heavily ballasted small cruisers.

Handling is defined by the boat’s unique keel configuration—a lead-ballasted stub keel paired with a fiberglass swing centerboard. This design, as noted in reviews by Sail Magazine, allows the boat to track significantly better than the flat-plate centerboards found on earlier International Marine models. Owners have noted that the Voyage 20 is stiffer and less prone to "hobby-horsing" in a chop than the Potter 19, thanks in part to the 605 lbs of ballast positioned low in the hull. While it remains a trailerable vessel with a shallow draft of just under two feet (board up), it possesses enough stability to handle "bay chop" and coastal conditions that might intimidate smaller daysailers.

Interior Comfort & Variations

One of the primary selling points of the Voyage 20 is the absence of the large centerboard trunk that traditionally obstructs the cabin floor in the Potter series. By moving the pivot point into the lead stub keel, the designers opened up a significantly more spacious and navigable interior. The cabin provides four berths—a V-berth forward and two generous quarter berths—making it a viable platform for weekend family cruising.

The layout includes a dedicated micro-galley with a sink and space for a butane stove, as well as a designated area for a portable head. Large portlights and a heavy-duty Lewmar hatch (standard on later models) provide ample light and ventilation, a notable upgrade over the smaller windows of the Potter 15 and 19. In terms of siblings, the Voyage 20 is built on the same "big boat in a small package" philosophy as the Potter 19 and the Sanibel 18, but it offers roughly 10% more interior volume and better-organized storage lockers.

While it has not yet reached the same "cult" status as the West Wight Potter series, the Voyage 20 has been featured in Practical Sailor as a premier choice in the "Estuarine Elves" category—boats that excel in exploring rivers, lakes, and coastal estuaries. Its introduction was a significant milestone for International Marine, marked as the pinnacle of their trailerable cruiser development before the company’s focus returned primarily to the core Potter line.

Known Issues & Buyer’s Checklist

When inspecting a used Voyage 20, the most critical areas for review are the proprietary hardware and structural connections.

  • Keel Pivot Bolt and Cable: Like all swing-keel designs, the stainless steel cable and the pivot bolt are wear items. Inspect the cable for fraying and ensure the winch operates smoothly without "slipping" under load.
  • Compression Post Support: Ensure the deck stepped mast is not causing deformation or "crazing" in the gelcoat around the mast step, which can indicate a weakening of the internal support post or the deck core.
  • Seal Integrity: Check the seals around the Lewmar deck hatch and the portlights. Earlier hulls may show signs of weeping around the window gaskets if they have been exposed to high UV environments.
  • Trailer Condition: Because the Voyage 20 is heavier than the Potter 19 (approx. 1,750 lbs dry, often over 2,150 lbs fully loaded), the trailer’s axle and leaf springs should be inspected for corrosion or overloading.

Community & Resources

Owners of the Voyage 20 typically find a home within the West Wight Potter Owners Association (WWPOA). Although the model name differs, the technical similarities and the shared builder mean that Potter-specific technical wikis and regional "Potter Yachters" groups are the primary source for maintenance advice and organized cruises.

The Verdict

The Voyage 20 is a rare find on the used market that offers a substantial upgrade in sailing dynamics and interior ergonomics over the more common Potter 19. It is the ideal "step-up" boat for a trailer-sailor who wants to move beyond protected lakes into coastal exploration without sacrificing the ability to tow the vessel with a standard SUV.

Pros:

  • Enhanced interior space with no centerboard trunk obstruction.
  • Superior windward performance due to the foil-shaped keel.
  • Robust lead ballast provides excellent stability for its size.
  • High-quality hardware (Lewmar) and refined finishes.

Cons:

  • Rare on the secondhand market compared to the Potter 19.
  • Heavier weight requires a more capable tow vehicle.
  • Higher initial purchase price than its simpler predecessors.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Centerboard
Rudder
1x —
Ballast
605 lbs
Displacement
2150 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
20.5 ft
Waterline Length (LWL)
17.5 ft
Beam
7.5 ft
Draft
5 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
175 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
16.81
Ballast / Displacement Ratio
28.14
Displacement / Length Ratio (D/L) Ratio
179.09
Comfort Ratio
12.33
Capsize Screening Formula
2.32
Hull Speed
5.61 kn