Every effort has been made to make this list accurate, but given the nature of sailing clubs, and sailing events, double check everything, and don't be surprised if another event crops up.
| 2023 | |||
| Date | Event | Organising Authority | |
| April | 15 | COGS Falmouth Fowey | RCYC |
| 28 | COGS Roscoff | RCYC | |
| May | 12 | Stewards' Cup | RCYC |
| 20 | Silver Sunbeam | FSC | |
| 27–29 | Firefly SW Area Championships | RSC | |
| 28 | COGS Gull Rock/Manacles | FSC | |
| 29 | Spring Regatta | StMSC | |
| June | 3 | COGS Plymouth to Fowey | Saltash SC |
| 3 | AZAB | RCYC | |
| 3 | Point & Penpoll Regatta | RSC | |
| 10–14 | Richard Mille Cup | RCYC | |
| 16–18 | Falmouth Classics | FCA | |
| 17 | COGS Eddystone | StMSC | |
| 23–25 | Falmouth Working Boat Championships | StMSC | |
| 23–July 1 | Shrimper Week | MYC | |
| 24–25 | RS200 SW Ugly Series | RSC | |
| 24 | Armed Forces Day | RCYC | |
| July | 1 | Loe Beach Regatta (St Feock & Pill Creek) | PoFSA |
| 2 | Shrimper Week: Falmouth Black Rock Gin Cup | MYC | |
| 6–9 | Sportsboat ’23 Regatta | FSC | |
| 6–9 | Firebird Championships | FSC | |
| 7 | Challenge Cup | RCYC | |
| 8 | St Mawes Social Club Regatta | StMSC | |
| 15 | COGS Falmouth Penzance | Penzance SC | |
| 15 | MYC Diamond Jubilee Regatta | MYC | |
| 15 | Tresanton Classics | StMSC | |
| 15 | Flushing Club Championships | FSC | |
| 21 | COGS PASAB | Penzance SC | |
| 22 | Flushing Village Regatta | FSC | |
| 29 | St Mawes Town Regatta | StMSC | |
| August | 2 | Celtikup Oceaniques | RCYC |
| 6–12 | Falmouth Sailing Week | PoFSA | |
| 15–18 | Tall Ships | ||
| 19 | COGS Trinity | RCYC | |
| 26 | Portscatho Village Regatta | StMSC | |
| 27 | Percuil Regatta | StMSC | |
| September | 1–3 | Shrimper Open | MYC |
| 1–3 | Sunbeam Championships | RCYC | |
| 9 | COGS Fowey–Helford | Fowey POFROC | |
| 21–24 | Musto Skiff Championships | RSC | |
| 23 | COGS Mylor Layup Cup | MYC | |
| November | 5 | Silver Oyster Race | MYC |
