Under TMI’s stewardship, the Halsey Herreshoff design was rebranded and continued production as the TMI 26 starting in 1980. While Chrysler had focused heavily on the swing-keel trailerable market, the TMI 26 was built predominantly in a fixed fin-keel configuration. This key design choice prioritized structural simplicity and offshore capability over easy highway trailering. The TMI 26 remains an intriguing relic of early 1980s American boatbuilding, pairing a legendary yacht-design pedigree with a remarkably high-volume layout that continues to attract budget-conscious pocket cruisers.
Design Brief & Intent
Halsey Herreshoff designed the hull with a clear directive: to maximize living volume and stability in a package small enough to be easily managed by a couple or a small family. During this era, pocket cruisers under 27 feet often forced owners to crawl or hunch while below decks. Herreshoff bypassed this limitation by utilizing the "Courser" deck mold, which featured a conventional coach house trunk cabin. This raised cabin profile yielded a remarkable six feet of standing headroom, an unprecedented achievement for a boat of this length.
TMI targeted the coastal cruiser who preferred the security of a permanent slip and a fixed keel over the maintenance hassles of a centerboard or swing-keel trunk. The interior layout was designed around structural liners and a straightforward, open-plan arrangement. It features a traditional V-berth forward, followed by a fully enclosed marine head—a major selling point that provided genuine privacy. The salon is composed of two straight settee berths flanking a central pathway, while a functional galley equipped with a two-burner stove and stainless steel sink sits adjacent to the companionway. Tucked aft under the cockpit sole is a double quarter-berth. The interior joinery consists of teak bulkheads and trim, which, while simple and production-oriented, give the cabin a warm, traditional feel when contrasted against the easy-to-clean fiberglass headliner.
Sailing Performance & Handling
At the helm, the TMI 26 behaves like a much larger vessel, owing to its conservative design ratios. With a displacement-to-length ratio of 230.59, the boat is a moderate-displacement cruiser. This weight provides a reassuringly solid feel in a seaway. While lighter trailer-sailers of the era are prone to getting tossed about in a chop, the TMI 26 slices through waves with minimal loss of momentum. This stable motion is reflected in its high comfort ratio of 22.97, indicating a much softer ride than its 26-foot contemporaries.
The boat's stability is further enhanced by its ballast-to-displacement ratio of 36.36%. This translates to 2,000 pounds of ballast encapsulated in the 5,500-pound displacement hull. When paired with its 3.92-foot draft, the TMI 26 exhibits excellent righting moment. With a capsize screening ratio of 1.81, it sits comfortably below the ocean-racing threshold of 2.0, giving owners peace of mind during bumpy coastal hops or open-water crossings.
In terms of raw power, the sail-area-to-displacement ratio of 13.2 points to a relatively conservative masthead sloop rig. In light breezes under 10 knots, the boat can feel under-canvased and sluggish under a standard working jib and mainsail. To maintain respectable boat speed in light air, owners must rely on a generous 150% genoa or an asymmetrical spinnaker. However, once the wind rises above 12 to 15 knots, the TMI 26 finds its stride. It carries its sail area well without excessive heel, tracks beautifully, and tacks with precision thanks to the efficient profile of its fin keel and internally mounted spade rudder.
Market Snapshot & Economics
Because Texas Marine International operated for only about two years before the company dissolved and the molds passed on, true TMI-branded 26s are relatively scarce on the brokerage market. They are often listed interchangeably with Chrysler 26s, but experienced buyers specifically seek out the TMI hulls because they were built from the factory with the fixed fin keel and the desired trunk cabin deck plan.
In relative terms, the TMI 26 trades at a highly accessible value, making it one of the most affordable ways to acquire a seaworthy, standing-headroom cruiser. It avoids the typical price premium associated with more famous brands of the same era, yet offers equivalent structural durability. The economics of refitting a TMI 26 are highly favorable, particularly for DIY-oriented owners. Because the rigging is a standard masthead sloop, replacing sails and running rigging does not require custom engineering. Furthermore, because the vessel was designed with an outboard motor well or stern bracket rather than a complex inboard diesel, owners escape the steep mechanical maintenance and replacement costs that frequently write off older pocket cruisers.
Known Issues & Triage 4
Despite its robust fiberglass layup, the TMI 26 is prone to classic aging pains that require careful inspection. The most critical structural issue is deck core rot 5. The deck utilizes a balsa wood core sandwiched between fiberglass skins. Over decades, the sealant under hardware like stanchion bases, chainplates, handrails, and the mast step inevitably degrades. Water ingress rots the balsa core, resulting in soft, spongy areas on the deck. Triage requires hammer-testing the deck for dull thuds, drilling pilot holes to inspect the wood, and completing a localized recoring using marine plywood or closed-cell foam set in epoxy.
Another well-documented vulnerability is the rudder assembly. The original aluminum rudder plates and cheek assemblies were somewhat underbuilt for the loads generated by a 5,500-pound boat. Over time, horizontal stress cracks can develop along the leading edge of the rudder plate near the rudder tube attachment. Additionally, the bearing where the rudder shaft enters the hull is prone to cracking. Owners must inspect this area for signs of structural fatigue. Many choose to replace the original blade with a modern, high-performance aftermarket rudder carved from high-density polyethylene or laid up in fiberglass to ensure reliable steering.
Finally, the hull-to-deck joint and chainplate bulkheads should be examined. Leaks from the chainplates can run down the bulkheads, leading to localized rot in the structural plywood that supports the rig tension. Re-bedding the chainplates and checking the deck stepped mast compression post below are essential safety precautions.
Modernization & Upgrades
Modern owners are successfully breathing new life into the TMI 26 by adapting it to contemporary cruising styles. The most significant area of modernization is the electrical system. Because the boat features large, easily accessed dry storage compartments under the settee berths and V-berth, it is an ideal candidate for lithium iron phosphate (LiFePO4) battery upgrades. Replacing heavy lead-acid batteries with a lightweight lithium bank allows owners to run refrigeration, modern LED lighting, and high-draw electronics for days on end. When paired with flexible solar panels mounted on the coachroof or on a custom stern-mounted arch, the TMI 26 can achieve complete electrical self-sufficiency.
On the propulsion front, the boat's outboard configuration offers a perfect opportunity for modernization. Veteran owners are replacing smoky, loud, vintage two-stroke outboards with modern four-stroke outboards equipped with electric start, power tilt, and cockpit-mounted remote controls. For those sailing on lakes or doing limited coastal hops, electric outboard conversions using 3kW to 5kW pod or outboard motors have also emerged as a quiet, low-maintenance alternative that eliminates gasoline storage onboard.
The Verdict
The TMI 26 is a stout, heavily built pocket cruiser that defies the limits of its 26-foot footprint. Designed by one of yachting's most famous names and constructed during the final chapter of a major American boatbuilding era, it offers a rare blend of standing headroom, exceptional hull stability, and simple maintenance. For the sailor looking to transition from daysailing to genuine coastal cruising on a budget, this fixed-keel classic remains a highly capable, forgiving, and rewarding choice.
Pros:
- Generous six-foot standing headroom is highly unusual for a 26-foot pocket cruiser.
- Solid construction and high comfort ratio deliver a stable, secure, and dry ride in rough coastal conditions.
- Renowned Halsey Herreshoff pedigree ensures balanced helm dynamics and predictable sailing manners.
- Fixed fin keel eliminates the structural vulnerabilities, leaks, and rattling associated with swing-keel designs.
- Affordable entry price and low-cost outboard propulsion minimize ongoing maintenance expenses.
Cons:
- Under-canvased sail plan makes the boat slow and sluggish in light winds under ten knots.
- Balsa-cored decks are highly susceptible to moisture penetration and localized rot around older hardware.
- Original aluminum rudder cheek assemblies are prone to stress cracking and must be monitored or replaced.
- Short production run under the TMI name makes clean examples relatively rare and hard to find.
- Interior layout, while spacious, can feel cramped for more than three adults on multi-day cruises.







