Cal 35 Cruise Information, Review, Specs

Cal 35 Cruise Drawing
Make
Cal
Model
35 Cruise
Builder
Cal-Boats
Designer
C. William Lapworth
Number Built
120
Production Year(s)
1973 - 1974

The Cal 35 Cruise, introduced in the early 1970s by Jensen Marine, represents a definitive pivot in the design philosophy of C. William Lapworth. While Lapworth had previously gained international acclaim for the stripped-down, lightweight racing prowess of the Cal 40, the 35 Cruise was engineered to address a growing market of sailors prioritizing offshore stability and "big boat" interior volume over line honors. Built in the Costa Mesa, California facility, the 35 Cruise utilized a modified version of the successful Cal 34 hull, stretched and widened to provide the accommodations of a much larger vessel. This model remains a staple of the "Classic Plastic" era, sought after by coastal cruisers who value the robust construction and predictable handling characteristics that defined the Jensen Marine legacy.

Sailing Performance & Handling

Under sail, the Cal 35 Cruise exhibits the stiff, stable motion expected of a moderate-to-heavy displacement cruiser from the mid-1970s. With a displacement of approximately 15,000 pounds and a ballast-to-displacement ratio hovering near 33%, the boat is notably less "tender" than its smaller siblings, such as the Cal 27 or 2-29. The hull features a traditional fin keel and a spade rudder, a configuration Lapworth pioneered to reduce wetted surface area while maintaining directional control.

Owners frequently report that the 35 Cruise tracks exceptionally well, requiring less constant attention at the helm than many contemporary lightweight cruisers. However, with a Sail Area/Displacement (SA/Disp) ratio in the mid-15s, the boat can feel under-canvased in light air (under 8 knots). It truly comes alive in a breeze, where the hull's generous beam provides significant initial stability. In heavy weather, the boat's high freeboard and flared bow help keep the cockpit dry, a trait emphasized in Good Old Boat’s historical analysis of the brand’s evolution from racing to cruising. While it lacks the surfing capabilities of the Cal 40, it offers a secure, sea-kindly motion that reduces fatigue during multi-day passages.

Interior Comfort & Variations

The defining characteristic of the Cal 35 Cruise is its interior volume, which was considered cavernous at the time of its release. By pushing the beam to 11 feet and maintaining high topsides, Lapworth created a cabin that rivals many 40-footers of the same era. The layout is traditional yet functional, featuring a large U-shaped galley to port and a proper navigation station to starboard. The use of warm teak joinery throughout the cabin reflects the higher-end finish Jensen Marine aimed for with this specific model.

Accommodation includes a spacious V-berth forward, a head with a separate shower stall—a luxury for a 35-foot boat in 1973—and a main salon with a convertible dinette. There are two primary variants of this hull: the original Cal 35 (often referred to as the 35 Cruise) and the later Cal 2-35. The 2-35 introduced minor refinements to the deck mold and interior cabinetry but maintained the same fundamental hull lines. Unlike the later 1980s Cal 35 designed by C. Raymond Hunt Associates, which featured a dramatically different hull shape and more modern "Euro-style" interior, the Lapworth-designed 35 Cruise is easily identified by its more traditional lines and conservative cabin trunk.

Known Issues & Buyer’s Checklist

Prospective buyers of a Cal 35 Cruise should approach the purchase with a focus on the structural longevity of 50-year-old fiberglass. While the hulls are famously thick, there are several model-specific areas of concern:

  • Mast Step Corrosion: Like many Cal models of this era, the mast sits on a steel "I-beam" or a heavy-duty fiberglass bridge. Over time, salt water leaking down the mast can cause the steel support to corrode or the fiberglass to compress, leading to rig tension issues. This is often referred to by the community as the "Cal Step" problem.
  • Chainplate Leaks: The chainplates are bolted through the bulkheads. If the deck seals have not been maintained, water ingress can rot the underlying plywood bulkheads, compromising the rig’s structural integrity.
  • Portlight Sealing: The original aluminum-framed portlights are prone to pitting and leaking. Many owners replace these with modern stainless or Lewmar units to preserve the interior teak.
  • Original Engine Health: Many 35 Cruises were originally fitted with the Universal Atomic 4 gasoline engine. While reliable if maintained, many have been repowered with diesels (such as Yanmar or Westerbeke). A boat with an original, un-overhauled Atomic 4 should be priced accordingly.
  • Deck Delamination: Check the foredeck and areas around the stanchion bases for "sponginess," which indicates water penetration into the balsa core.

Community & Resources

The Cal 35 Cruise benefits from one of the most dedicated owner networks in the sailing world. Technical data and original brochures are often preserved by the Cal Yacht Owners Association, which maintains a deep archive of Bill Lapworth’s design notes. For technical support, the "Cal-List" (an email-based group) and various specialized technical wikis offer decades of crowd-sourced solutions for the specific quirks of Jensen Marine builds.

The Verdict

The Cal 35 Cruise is a quintessential coastal passage-maker that trades raw speed for comfort and safety. It is an ideal platform for a couple or small family looking for a robust, "all-weather" boat that is easy to handle and inexpensive to maintain compared to modern counterparts.

Pros:

  • Exceptional Interior Volume: Offers the living space and headroom of a much larger vessel.
  • Proven Design: Bill Lapworth’s hull design ensures a balanced, predictable helm in various sea states.
  • Solid Construction: Thick fiberglass hull and a simple, robust rig make it a prime candidate for restoration.

Cons:

  • Light Air Performance: The heavy displacement and conservative sail plan make it sluggish in light winds.
  • Age-Related Maintenance: Expect to deal with common 1970s issues such as mast step corrosion and deck core moisture.
  • Aesthetic: The high freeboard and boxy cabin trunk may not appeal to sailors looking for a sleek, low-profile silhouette.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Spade
Ballast
5000 lbs (Iron)
Displacement
15000 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
35.08 ft
Waterline Length (LWL)
28.75 ft
Beam
11 ft
Draft
4.67 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
36 ft
E (Main Foot)
14 ft
I (Foretriangle Height)
42 ft
J (Foretriangle Base)
14 ft
Forestay Length (est)
44.27 ft
Sail Area
546 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
14.36
Ballast / Displacement Ratio
33.33
Displacement / Length Ratio (D/L) Ratio
281.79
Comfort Ratio
31.02
Capsize Screening Formula
1.78
Hull Speed
7.18 kn