The 40' / 46' POWERGLIDE Catamaran
One of our most celebrated models, the POWERGLIDE Catamaran, represents the perfect blend of performance, fuel efficiency, and seaworthiness. Originally designed by Crowther Catamarans a world-renowned name in multihull design the POWERGLIDE Catamaran combines cutting-edge engineering with unmatched reliability at sea.
Built for both comfort and capability, the POWERGLIDE Catamaran offers an ultra-smooth ride and remarkable fuel economy even at cruising speeds above 25 knots. Its hull design minimizes drag and eliminates the pounding common in traditional planing cats, ensuring a stable, quiet, and comfortable journey in all sea conditions.
With customizable configurations from walkaround wheelhouses to flybridge layouts — the Port Isaac is ideal for charter operations, dive expeditions, or private leisure use. Its proven efficiency, strong composite construction, and superior handling make it a top choice among skippers who demand excellence without compromise.
General Specifications
| Specification | Details |
|---|---|
|
Length Overall |
40 ft 9 in (12.4 m) & 46 ft (14m) |
|
Beam Overall |
16 ft 8 in (5.1 m) |
|
Draft |
3 ft 3 in (1.0 m) |
|
Displacement |
9,000 kg |
|
Fuel Capacity |
300 gallons + |
|
Top Speed |
20 to 34 knots (depending on engine setup) |
|
Cruising Speed |
10–27 knots |
|
Engines |
Twin diesel, from 100 hp to 370 hp each |
|
Berths |
Up to 6 |
|
Construction |
Hand-laid fiberglass with tri-axial, bi-axial, and uni-directional reinforcement |
|
Certification |
Built to meet international Code of Practice safety standards |
Performance & Efficiency
- Exceptional Fuel Economy: Consumes as little as 1.56 L per nautical mile at 16–18 knots, delivering over 2.9 miles per gallon.
- High-Speed Capability: Achieves up to 32–34 knots with standard twin 370 hp engines.
- Smooth Ride: Hull design virtually eliminates pounding and slamming — delivering outstanding comfort in rough seas.
- Superior Efficiency: Outperforms comparable 11m and 39ft cats with up to 25% lower fuel consumption at the same speeds.
Hull & Construction
- Hand-laid fiberglass with advanced composite reinforcement for strength and weight optimization.
- 30mm core-stiffened bridgedeck for rigidity.
- Non-slip deck finish, stainless-steel deck fittings, and railings.
- Concealed anchor locker with roller, cleat, and tie-off point.
- Stainless steel bow, spring, and stern cleats.
Mechanical & Systems
- Twin Diesel Engines: Iveco Nef 370 HP each (standard). (Inboard or Outboard Motors)
- Fuel System: Braided fuel lines with water traps and dual stainless clamps.
- Propulsion: Stainless TeMet shafts with Nibral four-blade propellers.
- Steering: Hydraulic system with precision control.
- Cooling: Freshwater-cooled engines with side-exit exhaust and low-smoke dive charter option.
- Bilge Pumps: Dual electric automatic and manual hand pumps (Jabsco).
Helm & Control Options
- Single or Dual Station Configurations — wheelhouse and/or flybridge.
- Walkaround Wheelhouse — most economical style for charter operations.
- Flybridge Option — enclosed or open, with full engine instruments and extended passenger seating (ideal for whale-watching or dive tours).
- Clear toughened glass forward windows, tinted sides for sun protection.
Interior & Layout
- Configurable for charter, dive, or leisure applications.
- Sleeping capacity: Up to 6 berths.
- Amenities: Compact galley, shower room, and head compartment.
- Helmsman’s area: Raised position with seating and storage.
- Bench seating and optional extended passenger spaces in wheelhouse or flybridge.
Electrical & Safety
- DC electrical distribution panel with battery change-over switch.
- Navigation lights to international standards.
- Bilge alarms, engine alarm systems, and anodes fitted.
- Built to comply with the Code of Practice for commercial vessels — easily passes heel and stability tests with near-zero heel under load.
Ideal For
- Charter and sightseeing operations
- Dive and research expeditions
- Passenger and coastal transport
- Private leisure or inter-island cruising
Why the Port Isaac 40
- Designed for speed with economy — fewer gallons per mile and lower operating costs.
- Stable, comfortable ride even in rough conditions.
- Proven global design pedigree by Crowther Catamarans.
- Built by M1 Marine in Trinidad — with expert craftsmanship, attention to detail, and regional service support.