Mayfly 21


A Spacious and Traditional Motor Launch

The Mayfly 21, offers traditional style and elegance in the form of a gentleman’s launch.  Designed by Andrew Wolstenholm, the low maintenance GRP hull combined with the high gloss finish of the varnished mahogany gives the Mayfly 21 a striking appearance. Suitable for up to twelve people, and built with an electric motor as standard, you can cruise estuaries, harbours, and inland waterways in style and comfort. Built to design category C.

The spacious open cockpit makes  the Mayfly 21 motor launch perfect for a day out on the river. Built to the highest of standards using the best quality materials our motor launch is the perfect boat for comfort and relaxation.

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LOA 6.4m 21ft
Beam 2.0m 6ft 6in
Draught 0.63m 2ft 1in
Propulsion Electric, diesel or petrol
Layup 7oz

Traditional Motor Launch

For those who want to boat in style, the Mayfly 21 is the perfect companion for you. This motor launch glides effortlessly in the water for a truly relaxing cruise.


Electric Motor

With our electric motor option you can experience boating in peace and quiet. Built for style and comfort the electric propulsion enables you to be at one with nature and the tranquil waterways.

Manufactured By A Family for Families

The Mayfly 21 is great for a day trip with the family. Four generations into our business, we know what a family craft needs in order for all of you to enjoy the sights, admire the wildlife and relax for the day.


  • GRP Hull – Choice of Colours
  • Stainless Steel Custom Stem Head Fitting
  • Teak Rubbing Strakes
  • Stainless Steel Rudder and Skeg Plate for Rudder Protection
  • 3 Stainless Steel Cleats
  • Stainless Steel Tiller
  • Electric Bilge Pump
  • Horn
  • Teak Floorboards
  • Battery Isolator
  • 6 Stainless Steel Fender Eyes
  • GRP Snore Hole
  • 4 Fenders
  • 3 Mooring Lines
  • Owners Manual
  • Antifouling – Choice of Colours
  • Fire Extinguisher
  • 4 Stainless Steel Fairleads
  • Flagpole and Ensign Socket
  • Hardwood Coamings
Options (click to read)
  • Wheel steering
  • Custom Trailer
  • Column Steering
  • Pram Hood
  • Full Set of Cushions
  • LED Navigation Lights
  • Custom Sign Writing
  • USB Socket
  • Folding Table
  • Tonneau Cockpit Cover
  • Epoxy Coating Below the Waterline
  • Synthetic Teak


Benefitting from a GRP deck and hull with enough hardwood trim to be a classic.


A modern classic, built with synthetic teak, offering style and minimal maintenance.


A full classic traditional, hand crafted in the finest teak or mahogany