The Choate 30, often referred to interchangeably as the Adhara 30 or the Dencho 30, is a quintessential example of the "MORC Maxi" era of the mid-1980s. Designed by the legendary Doug Peterson and built by Dennis Choate’s Dencho Marine in Long Beach, California, this vessel was engineered during a period when West Coast yachting was defined by high-performance development and the pursuit of silverware in the Midget Ocean Racing Club (MORC) circuit. The boat was a direct evolution of the Pinnacle 29/30 design, refined with the high-quality composite construction techniques that made Dencho Marine a preferred builder for grand prix racers. Unlike the mass-produced cruiser-racers of its day, the Choate 30 was a limited-production machine, built for sailors who prioritized speed, pointing ability, and a pedigree that could compete at the highest levels of handicap racing.
Choate 30 Information, Review, Specs

- Make
- Choate
- Model
- 30
- Builder
- Dennis Choate
- Designer
- Carl Schumacher
- Number Built
- 5
- Production Year(s)
- 1981 - ??
Sailing Performance & Handling
The sailing characteristics of the Choate 30 are deeply influenced by Doug Peterson’s design philosophy, which prioritized a balanced helm and exceptional upwind performance. As an MORC-optimized design, the boat features a high aspect ratio fractional rig and a deep fin keel, providing the lift necessary to point higher than many larger contemporary cruisers. With a displacement-to-length ratio that skews toward the lighter end of the spectrum, the Choate 30 is exceptionally sensitive to trim and performs admirably in light-to-moderate air—conditions frequently found in Southern California regattas.
In heavy air, the boat remains stiff and predictable, though it requires an active crew to manage the sail plan effectively. Owner anecdotes often highlight the boat's "seat-of-the-pants" feel; the hull transmits subtle changes in water pressure and wind velocity directly to the helm, rewarding a skilled hand. Because it was designed as a "maxi" within its class, the Choate 30 carries a significant amount of sail area relative to its weight, making it a "momentum boat" that can power through chop if kept at the correct heel angle. Its tracking is reported to be superior to the earlier Pinnacle 29, thanks to refinements in the rudder profile and hull fairing implemented by Dennis Choate’s team.
Interior Comfort & Variations
While the Choate 30 was built primarily for the racecourse, it does feature an enclosed interior that meets the basic requirements for offshore racing and occasional weekend cruising. The layout is functional and minimalist, utilizing lightweight materials to keep the center of gravity low and the overall weight at a minimum. The cabin typically includes port and starboard settees that double as berths, a modest V-berth forward, and a compact galley area.
Variations of the model exist primarily in the layout of the "Adhara 30" variant, which sometimes featured slightly more refined cabinetry compared to the strictly utilitarian "Dencho 30" versions. Headroom is sufficient for a 30-footer of this vintage, though tall sailors will find it snug. The use of cold-molded wood or advanced GRP composites—depending on the specific hull number—means the interior aesthetics vary from a classic "tool-box" racing look to a warmer, wood-accented cabin. Because of its 10-foot plus beam, the interior feels surprisingly voluminous for a performance boat, providing a stable platform for off-watch crew during overnight races.
Popular Mentions & Media
The Choate 30 occupies a storied place in the archives of West Coast sailing publications. References to the model and its siblings appear frequently in the Latitude 38 "Racing Sheet" archives, documenting decades of participation in the Big Boat Series and various MORC championships. The boat’s builder, Dennis Choate, is a legendary figure in the Long Beach sailing community, and his vessels are often discussed in the context of the "Sled" era of Pacific racing. While the Choate 30 does not have a dedicated Hollywood footprint, its cultural value lies in its role as a "giant killer" in PHRF and MORC fleets across the United States.
Known Issues & Buyer’s Checklist
Prospective buyers should approach the Choate 30 with the understanding that these are high-performance machines that have often been campaigned hard. A thorough inspection should focus on the following areas:
- Keel Attachment and Sump: Given the stresses of racing and the deep draft, the keel bolts and the surrounding fiberglass sump should be inspected for "smile" cracks or signs of grounding-related delamination.
- Deck Core Integrity: Like many boats of the 1980s, the Choate 30 used balsa or foam coring in the deck. Check for soft spots, particularly around high-load deck hardware like winches and track leads, which may have leaked over time.
- Rigging Loads: The fractional rig places significant stress on the chainplates and the mast step. Inspect the mast step for any signs of compression and the chainplates for crevice corrosion.
- Rudder Bearings: The high-aspect rudder is prone to developing play in the bearings. If the helm feels "clunky" or loose, the bushings may require replacement.
Community & Resources
The community surrounding Choate-built boats is tight-knit, primarily centered in California. While there is no longer a formal manufacturer website, technical discussions and historical data are often preserved by the Doug Peterson design community and local racing associations. Information regarding the evolution of the Peterson designs can often be found through the archives of the Transpacific Yacht Club, where Dencho-built boats have left a significant mark.
The Verdict
The Choate 30 is a high-pedigree racing machine that offers a level of build quality and design sophistication rarely found in modern 30-foot production boats. It is a purist’s sailboat, rewarding technical skill with impressive speed and a competitive edge in handicap racing.
Pros:
- Exceptional Pedigree: Designed by Doug Peterson and built by a master builder, Dennis Choate.
- Competitive Performance: Still a formidable contender in PHRF fleets, especially in light to moderate conditions.
- High Build Quality: Dencho Marine was known for superior composite work compared to high-volume builders.
- Aesthetic Appeal: Classic "racing sled" lines that remain attractive decades later.
Cons:
- Racing-First Interior: Lacks the amenities and comfort features of a dedicated cruising yacht.
- High Maintenance: Aging performance rigs and high-load hardware require diligent upkeep.
- Deep Draft: May limit access to some shallow harbors or coastal cruising grounds.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Fin
- Rudder
- 1x Spade
- Ballast
- 3000 lbs (Lead)
- Displacement
- 6300 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 29.92 ft
- Waterline Length (LWL)
- 24.5 ft
- Beam
- 10 ft
- Draft
- 5.25 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- 37.2 ft
- E (Main Foot)
- 13.5 ft
- I (Foretriangle Height)
- 37.5 ft
- J (Foretriangle Base)
- 11.4 ft
- Forestay Length (est)
- 39.19 ft
- Sail Area
- 465 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 21.81
- Ballast / Displacement Ratio
- 47.62
- Displacement / Length Ratio (D/L) Ratio
- 191.25
- Comfort Ratio
- 17.35
- Capsize Screening Formula
- 2.17
- Hull Speed
- 6.63 kn