| To have your regatta listed, please send an email to info@ontariosailing.ca. | ||||
| JANUARY 2019 | ||||
| Date | Event | Venue | Classes | |
| FEBRUARY 2019 | ||||
| Date | Event | Venue | Classes | |
| MARCH 2019 | ||||
| Date | Event | Venue | Classes | |
| APRIL 2019 | ||||
| Date | Event | Venue | Classes | |
| MAY 2019 | ||||
| Date | Event | Venue | Classes | |
| JUNE 2019 | ||||
| Date | Event | Venue | Classes | |
| June 1 – 2 | NSC Cat and Skiff Grand Prix | Nepean Sailing Club | Open to all multihulls | |
| June 15 – 16 | Water Rat Open Regatta – Spring War | Water Rats Sailing Club | Open to all multihulls | |
| JULY 2019 | ||||
| Date | Event | Venue | Classes | |
| July 6 – 7 | TMCC Open Multihull Regatta | Toronto Multihull Cruising Club | Open to all multihulls | |
| July 27 – 28 | Mississauga Go Cats! Regatta | Mississauga Sailing Club | Open to all multihulls | |
| AUGUST 2019 | ||||
| Date | Event | Venue | Classes | |
| August 17 – 18 | Burlington Beach Bums Regatta | Burlington Beach Catamaran Club | Open to all multihulls | |
| August 24 – 25 | Water Rats Regatta Cats@Rats | Water Rats Sailing Club | Open to all multihulls | |
| SEPTEMBER 2019 | ||||
| Date | Event | Venue | Classes | |
| September 7 – 8 | Nepean Fan Fare Regatta | Nepean Sailing Club | Open to all multihulls | |
| September 16 – 20 | H16/H20 North American Championships | British Columbia | Hobie | |
| September 21 – 22 | Moe Fraser Regatta
Long distance race Saturday – Multihull clinic Sunday |
Mississauga Sailing Club | Open to all multihulls | |
| OCTOBER 2019 | ||||
| Date | Event | Venue | Classes | |
| NOVEMBER 2019 | ||||
| Date | Event | Venue | Classes | |