The Rival 38 is a seminal example of the British "go-anywhere" cruiser, embodying the design philosophy of Peter Brett and the robust construction standards of the mid-1970s. Designed as a larger, more capable successor to the highly successful Rival 34, the 38 was conceived to bridge the gap between a family coastal cruiser and a true blue-water voyager. While many were built by Southern Boat Co., the involvement of Marine Construction Ltd. (Marcon) in the production of Rival hulls highlights the interconnected nature of the era’s fiberglass pioneers. The Rival 38 remains a favorite for solo circumnavigators and long-distance couples who prioritize safety and a predictable motion at sea over the high-volume, flat-bottomed geometry of contemporary production yachts.
Rival 38 Information, Review, Specs

- Make
- Rival
- Model
- 38
- Builder
- Rival/Southern Boatbuilding Co. Ltd.
- Designer
- Peter Brett
- Number Built
- 63
- Production Year(s)
- 1977 - ??
Sailing Performance & Handling
The Rival 38 is defined by its deep-V hull sections and an encapsulated lead keel, features that contribute to a remarkably "kind" motion in a seaway. Unlike modern light-displacement hulls that tend to slam into head seas, the 38 slices through them, making it an exceptional choice for offshore passages. According to editorial analysis from Yachting Monthly, the yacht is noted for its exceptional directional stability, often allowing it to track straight for long periods with minimal helm correction.
Technical ratios reveal a boat designed for heavy weather rather than light-air performance. With a Displacement/Length ratio (D/L) typically in the mid-300s, it is firmly in the "heavy cruiser" category. Its Sail Area/Displacement (SA/Disp) ratio is relatively conservative, meaning that while it may feel sluggish in winds under 10 knots, it carries its canvas much longer than its peers as the breeze freshens. Owners frequently report that the boat "comes alive" at 15 to 20 knots of wind, where its narrow beam and high ballast ratio allow it to stay remarkably upright. The 38 was offered in both a deep-fin configuration and a shallower Scheel keel version, the latter of which was designed to maintain lift while allowing access to thinner water—a rare feat for a boat of this displacement.
Interior Comfort & Variations
The interior of the Rival 38 is characterized by traditional craftsmanship and a layout optimized for use at sea rather than in the marina. The cabin is typically finished in high-quality teak or mahogany, providing a warm, secure atmosphere. One of the most significant aspects of the 38’s production was the availability of two primary internal configurations, often referred to as the "A" and "B" plans.
The "A" layout usually features a traditional pilot berth over the port-side settee and a slightly more compact galley, which provides excellent bracing for the cook while underway. The "B" layout often prioritizes a larger heads compartment and more storage, making it preferable for couples living aboard for extended periods. Because these boats were often finished to a high degree of owner specification, no two interiors are exactly alike. Headroom is generous for a design of this vintage, typically exceeding 6'2" in the main saloon. The 38’s siblings, such as the Rival 36 (a later, more modern-underwater-profile design) and the Rival 41, offer similar aesthetics, but the 38 is often cited as the "sweet spot" for its balance of interior volume and ease of handling for a short-handed crew.
Known Issues & Buyer’s Checklist
While the Rival 38 is legendary for its structural integrity, prospective buyers should focus on several age-related areas common to yachts of this era.
- Deck Core Integrity: Like many Marcon and Southern Boat Co. builds, the 38 utilizes a balsa-cored deck. Buyers should check for soft spots around high-load areas such as the mast step, stanchion bases, and windlass, as water ingress can lead to core delamination.
- Encapsulated Keel Voids: While encapsulated keels eliminate "keel bolt anxiety," they can occasionally suffer from voids between the lead ballast and the fiberglass skin. Tapping the keel with a phenolic hammer can reveal hollow sounds that may indicate a need for resin injection.
- Chainplate Anchors: The chainplates are robust, but the points where they penetrate the deck are susceptible to leaks. If neglected, this can lead to moisture damage in the bulkheads to which they are through-bolted.
- Engine Access and Age: Many 38s originally carried Bukh or Perkins engines. While reliable, these units are reaching the end of their service life. Access for maintenance is generally good via the companionway, but checking for signs of exhaust elbow corrosion and mounting bolt fatigue is essential.
- Osmosis: While the hulls are thick, they were built before the widespread use of isophthalic resins. A professional survey should include moisture readings to check for osmotic blistering, though this is rarely a structural threat on a Rival.
Community & Resources
The legacy of the Rival 38 is preserved by one of the most dedicated owner associations in the United Kingdom. The Rival Owners Association serves as a vital repository of technical manuals, historical data, and a network of sailors who have collectively logged hundreds of thousands of miles. This community is an essential resource for anyone looking to refit or maintain a Rival, offering specific advice on everything from rudder bush replacement to rig tensioning.
The Verdict
The Rival 38 is not a yacht for those seeking modern "condo-style" accommodations or high-speed planing performance. Instead, it is a purposeful, elegant, and immensely strong vessel built for the rigors of the open ocean.
Pros:
- Exceptional sea-kindliness and a comfortable motion in heavy weather.
- High-quality traditional joinery that creates a secure, offshore-ready cabin.
- Robust construction with an encapsulated keel, eliminating the risk of keel bolt failure.
- Strong resale value and a dedicated, knowledgeable community of owners.
Cons:
- Underpowered in light winds due to high displacement and conservative sail area.
- The narrow beam results in less interior volume than modern 38-foot yachts.
- Potential for high maintenance costs related to aging deck cores or original engines.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Fin
- Rudder
- 1x Skeg-Hung
- Ballast
- -
- Displacement
- 17280 lbs
- Water Capacity
- 110 gal
- Fuel Capacity
- 130 gal
Dimensions
- Length Overall (LOA)
- 37.58 ft
- Waterline Length (LWL)
- 29.5 ft
- Beam
- 11.25 ft
- Draft
- 5.33 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- 37.6 ft
- E (Main Foot)
- 13.75 ft
- I (Foretriangle Height)
- 48.4 ft
- J (Foretriangle Base)
- 14.33 ft
- Forestay Length (est)
- 50.48 ft
- Sail Area
- 745 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 17.83
- Ballast / Displacement Ratio
- —
- Displacement / Length Ratio (D/L) Ratio
- 300.49
- Comfort Ratio
- 33.3
- Capsize Screening Formula
- 1.74
- Hull Speed
- 7.28 kn