The 1983 Soverel 33 is a seminal design by Mark Soverel that epitomized the shift toward ultra-light displacement boats (ULDB) in the American racing scene. Born from a family legacy of performance-oriented construction in North Palm Beach, Florida, this iteration of the 33 was a radical departure from the heavier 1968 model of the same name. It was specifically engineered to dominate the International Measurement System (IMS) and PHRF circuits, offering a level of speed that frequently allowed it to compete with—and beat—vessels ten feet longer. While Soverel Marine produced the initial 69 hulls using advanced foam-coring techniques, the design's commercial success led to a secondary production run of approximately 20 units by Tartan Marine between 1986 and 1988. These later hulls are often distinguished by a more refined interior finish, though they maintain the original's uncompromising hull form.
Soverel 33 (1983) Information, Review, Specs

- Make
- Soverel
- Model
- 33 (1983)
- Builder
- Soverel Marine
- Designer
- Mark Soverel
- Number Built
- 90
- Production Year(s)
- 1983 - 1990
Sailing Performance & Handling
The Soverel 33 is widely regarded as a "downwind sled," a term reserved for boats that transition quickly from displacement speeds to planing. With a displacement of only 5,800 pounds and a generous sail plan, the boat possesses an exceptionally high sail area-to-displacement ratio, making it a "light-air weapon" capable of ghosting past heavier cruisers in nearly imperceptible breezes. According to editorial analysis from Sailing Magazine, the boat is notoriously sensitive to weight placement and trim; a disciplined crew is required to keep the flat-bottomed hull from "wobbling" or rounding up in heavy gusts.
Upwind, the Soverel 33 is surprisingly capable but requires constant attention to the backstay and traveler to depower the large mainsail. Its narrow beam and deep fin keel provide sufficient righting moment, yet it remains a "tender" boat that prefers to be sailed upright. In heavy seas, the light displacement can result in a bouncy, motion-intensive ride, but for the performance-minded sailor, the trade-off is a helm that remains tactile and responsive. Anecdotal evidence from veteran racers suggests that the boat reaches its true potential when off the wind, where it can easily clock double-digit speeds under a spinnaker.
Interior Comfort & Variations
The interior of the Soverel 33 reflects its primary mission as a race boat: functional, lightweight, and largely devoid of luxury. The layout is open and minimalist to save weight and facilitate sail handling from below. It typically features a V-berth forward, which is often used for sail storage, and two long settee berths in the main cabin. The galley is rudimentary, usually consisting of a small sink and a two-burner stove, suitable for coastal hops rather than extended provisioning.
Variations between the Soverel Marine and Tartan Marine builds are most evident in the cabinetry. The original Soverel-built boats utilized a significant amount of Klegecell foam in the interior components to shed pounds, resulting in a more "industrial" aesthetic. In contrast, the Tartan Marine variants often featured more traditional teak trim and a higher level of joinery, making them more palatable for owners who intended to use the boat for occasional "fast cruising." Despite these differences, headroom remains limited, and the lack of a fully enclosed head in many early units reinforces its identity as a racing machine.
Known Issues & Buyer’s Checklist
Prospective buyers should approach the Soverel 33 with a focus on structural integrity, as these boats were built to the limits of 1980s lightweight technology.
- Deck and Hull Coring: The use of Klegecell foam core was innovative, but if hardware was poorly bedded, moisture can migrate into the core. While Klegecell is more resistant to rot than balsa, delamination remains a risk, particularly around the chainplates and stanchion bases.
- The "Soverel Smile": Like many performance boats of this era with deep fin keels, the Soverel 33 can develop a hairline crack at the leading edge of the keel-to-hull joint. While often cosmetic, it can indicate the need for re-torquing keel bolts or reinforcing the floor timbers.
- Mast Step and Rigging: The fractional rig puts significant compression loads on the mast step. Inspect the area for any signs of sinking or cracking in the fiberglass grid. Additionally, many of these boats have been raced hard; a thorough survey of the standing rigging and the spreader brackets is essential.
- Rudder Bearings: Given the high speeds this boat achieves, the rudder and its bushings are subject to significant wear. Any "slop" or play in the helm should be addressed to maintain the boat's precise handling.
Community & Resources
The Soverel 33 maintains a dedicated following, particularly in the Pacific Northwest and the Great Lakes, where PHRF racing remains popular. The Soverel 33 Class Association serves as the primary hub for owners, providing technical support and maintaining the one-design rules that kept the class competitive for decades. Technical discussions and tuning guides are also frequently cataloged by the Chesapeake Bay Soverel 33 fleet, which remains one of the boat's historical strongholds.
The Verdict
The Soverel 33 is not a boat for the casual cruiser seeking a stable, floating home. It is a precision instrument designed for sailors who prioritize speed, tactical agility, and the thrill of a boat that responds to the slightest adjustment.
Pros:
- Elite Light-Air Performance: Excels in conditions that leave other boats becalmed.
- Planing Capability: Thrilling downwind speeds that rival modern sportboats.
- Value: Offers a high "speed-per-dollar" ratio on the used market.
- Active Community: Strong owner support and a wealth of racing knowledge.
Cons:
- Spartan Interior: Lacks the amenities and headroom required for comfortable family cruising.
- Demanding to Sail: Requires an active, skilled crew to manage the large sail plan in heavy air.
- Maintenance Intensive: Lightweight construction requires vigilant monitoring for stress-related wear and core issues.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Fin
- Rudder
- 1x Spade
- Ballast
- 2800 lbs (Lead)
- Displacement
- 5800 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 33 ft
- Waterline Length (LWL)
- 30.42 ft
- Beam
- 11 ft
- Draft
- 5.83 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- 41 ft
- E (Main Foot)
- 13 ft
- I (Foretriangle Height)
- 42.5 ft
- J (Foretriangle Base)
- 12.8 ft
- Forestay Length (est)
- 44.39 ft
- Sail Area
- 538 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 26.66
- Ballast / Displacement Ratio
- 48.28
- Displacement / Length Ratio (D/L) Ratio
- 91.98
- Comfort Ratio
- 11.79
- Capsize Screening Formula
- 2.45
- Hull Speed
- 7.39 kn