Sandhopper 19 Information, Review, Specs

Make
Sandhopper
Model
19
Builder
Parker Lift Keel Yachts Ltd.
Designer
Oliver Lee
Number Built
Production Year(s)
1970 - ??

The Sandhopper 19 is a quintessential British dayboat, designed by the prolific naval architect Oliver Lee and brought to life through the craftsmanship of G.W. Parker & Son. Measuring 19 feet (5.79 meters) in length, this glass-reinforced plastic (GRP) keelboat was specifically engineered to meet the challenges of the shallow, tidal waters of the Thames Estuary. While Parker Yachts gained international fame for high-performance racing dinghies like the International 505 and later their innovative lifting-keel cruisers, the Sandhopper represents a bridge between these worlds: a stable, ballasted vessel that retains the tactical agility of a racing class. Its defining characteristic is its triple-keel configuration—a shallow central keel complemented by two bilge keels—which allows the boat to sit upright on the mud during low tide, a necessity for the drying moorings of its home waters.

Sailing Performance & Handling

The Sandhopper 19 is frequently described as a "weighty" and exceptionally stable version of its leaner cousin, the Squib (also an Oliver Lee design). With a displacement of approximately 650kg, a significant portion of which is concentrated in its iron keels, the boat exhibits a sea-kindliness rarely found in sub-20-foot dayboats. On the water, this translates to a "stiff" sailing experience; the boat resists excessive heeling, making it an ideal platform for families or sailors transitioning from dinghies to keelboats.

In terms of tracking, the triple-keel arrangement provides a surprisingly balanced helm, though it lacks the ultimate pointing ability of a deep fin-keel racer. According to technical insights from the Sandhopper Class Association, the boat is rigged as a Bermudan sloop with a manageable sail area that allows it to be campaigned by a crew of two or three. In heavy air, the Sandhopper's mass allows it to punch through chop where lighter dinghies would stall, while in light winds, it relies on its generous waterline length to maintain momentum. Owners often report that the boat feels "indestructible" in a blow, maintaining a predictable feel even when the rig is fully powered up.

The Sandhopper 19 occupies a unique cultural niche in British sailing, almost entirely centered around the Thorpe Bay Yacht Club in Essex. It is one of the few boat models in the world that exists as a "hyper-local" phenomenon; the vast majority of the fleet resides at this single club, creating a dense and highly competitive racing environment. This concentration has turned the Sandhopper into a staple of East Coast sailing media, often featured in regional coverage of the Southend-on-Sea racing circuit. Its reputation as a "survivor" class is well-documented within the community, having maintained active fleet numbers for over five decades while other contemporary designs have faded.

Known Issues & Buyer’s Checklist

Prospective buyers of older Parker-built Sandhoppers should focus their inspections on the structural integrity of the keel attachments and the deck-to-hull joints.

  1. Keel Bolt Integrity: Given that these boats are designed to "dry out" and sit on their keels twice a day, the stresses on the keel bolts and the surrounding GRP floors are higher than average. Inspect the bilge for signs of rust or compression cracking around the bolt heads.
  2. Deck Delamination: Older models may experience "soft spots" in the deck or cockpit sole, typically caused by moisture ingress into the balsa or foam core. This is a common aging issue for GRP boats of this era and requires careful percussion testing.
  3. Mast Step Distortion: The rig tension on a Sandhopper is considerable. Check the area around the mast step for any sagging or "crazing" in the gelcoat, which may indicate structural fatigue in the support beam beneath.
  4. Rudder Play: The transom-hung rudder is subject to significant torque. Inspect the pintles and gudgeons for ovaling or excessive play, which can lead to a vibration at high speeds or a loss of steering precision.

Community & Resources

The primary authority for the vessel is the Sandhopper Class Association, which maintains the class rules and organizes the annual National Championships. Technical support and a repository of maintenance tips are largely centralized through the association's interaction with the Thorpe Bay Yacht Club, which remains the spiritual and physical home of the class. For technical specifications and historical records, the association serves as the most reliable archive for sail plans and original builder modifications.

The Verdict

The Sandhopper 19 is a masterclass in purpose-built naval architecture, offering a rare combination of racing pedigree and rugged practicality. While its geographical footprint is small, its reputation for stability and longevity is vast.

Pros:

  • Exceptional stability and safety for a 19-foot boat.
  • Triple-keel design is perfect for tidal estuaries and drying moorings.
  • Highly active one-design racing community ensures strong resale value.
  • Robust construction capable of handling heavy coastal conditions.

Cons:

  • Significantly heavier than modern sportboats, requiring a substantial trailer and tow vehicle.
  • The triple-keel drag limits light-wind performance compared to fin-keel rivals.
  • Geographically isolated; finding boats outside of the UK's Southeast coast can be difficult.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Twin
Rudder
1x —
Ballast
700 lbs
Displacement
1543 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
19 ft
Waterline Length (LWL)
17 ft
Beam
6.17 ft
Draft
2.25 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
172 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
20.61
Ballast / Displacement Ratio
45.37
Displacement / Length Ratio (D/L) Ratio
140.21
Comfort Ratio
11.99
Capsize Screening Formula
2.14
Hull Speed
5.52 kn