| Inns | HS |
| 365-5d | 96 | Sidmouth v Budleigh Salterton | The Fortfield, Sidmouth | 2013 |
| 354-7 | 91 | Exmouth v North Devon | The Maer Ground, Exmouth | 2025 |
| 352-9 | 91 | Exmouth v Plymouth | United Services Ground, Plymouth | 2017 |
| 340-9 | 91 | Sidmouth v Plymouth | The Fortfield, Sidmouth | 2016 |
| 335-6d | 95 | Exmouth v Exeter | The County Cricket Ground, Exeter | 2013 |
| 334-5 | 86 | Sandford v Plymouth | Creedy Park, Sandford | 2022 |
| 332-8 | 84 | Plymouth v Bradninch | Kensham Recreation Ground, Bradninch | 2018 |
| 328-7 | 73 | Exeter v Exmouth | The County Cricket Ground, Exeter | 2004 |
| 328-7 | 79 | Plymouth v Torquay | United Services Ground, Plymouth | 2013 |
| 325-5d | 84 | Exmouth v Bradninch | The Maer Ground, Exmouth | 2013 |
| 324-6 | 67* | North Devon v Heathcoat | Sandhills, Instow | 2017 |
| 324-5 | 97 | Exeter v Exmouth | The Maer Ground, Exmouth | 2018 |
| 320-9d | 83* | Sandford v Torquay | The Recreation Ground, Torquay | 2006 |
| 313-7 | 86 | Bovey Tracey v Bradninch | The Recreation Ground, Bovey Tracey | 2013 |
| 312-6 | 86 | North Devon v Paignton | Queens Park, Paignton | 2010 |
| 310-7 | 69 | Exmouth v Torquay | The Maer Ground, Exmouth | 2013 |
| 307-3d | 87 | North Devon v Exeter | Sandhills, Instow | 2010 |
| 307-8 | 97 | Sidmouth v Exeter | The County Cricket Ground, Exeter | 2015 |
| 307-8 | 86 | Exmouth v Cornwood | The Maer Ground, Exmouth | 2024 |
| 306-7 | 88 | Heathcoat v Sidmouth | The Fortfield, Sidmouth | 2015 |
| 305-5 | 70 | Exeter v Cornwood | The County Cricket Ground, Exeter | 2016 |
| 305 | 81 | Sandford v Torquay | Creedy Park, Sandford | 2019 |
| 305-9 | 75 | Paignton v Torquay | The Recreation Ground, Torquay | 2019 |
| 303-7 | 98 | Plymouth v Exeter | United Services Ground, Plymouth | 2015 |
| 303-8 | 96 | Exeter v Plymouth | The County Cricket Ground, Exeter | 2016 |
| 302 | 90 | Exmouth v Budleigh Salterton | The Maer Ground, Exmouth | 2013 |
| 301-6 | 92 | Sidmouth v Cornwood | The Fortfield, Sidmouth | 2013 |
| 301-5 | 65 | Budleigh Salterton v Plymouth | United Services Ground, Plymouth | 2013 |
| 301-7 | 82 | North Devon v Bovey Tracey | The Recreation Ground, Bovey Tracey | 2017 |
| 300-5 | 77 | Bovey Tracey v Paignton | Queens Park, Paignton | 2010 |
| 299 | 74 | Heathcoat v Exeter | Knightshayes Court, Bolham | 2016 |
| 298-5 | 97* | Exeter v Exmouth | The County Cricket Ground, Exeter | 2021 |
| 297-9 | 93* | Exeter v Bovey Tracey | The Recreation Ground, Bovey Tracey | 2024 |
| 296-6 | 77 | Paignton v Tavistock | Queens Park, Paignton | 2006 |
| 295-8 | 90 | Exmouth v Sandford | Creedy Park, Sandford | 2021 |
| 295-7 | 63 | Heathcoat v Sidmouth | Knightshayes Court, Bolham | 2022 |
| 294-3 | 95 | Exeter v Bradninch | Kensham Recreation Ground, Bradninch | 2018 |
| 294 | 73 | Exeter v Plymouth | The County Cricket Ground, Exeter | 2025 |
| 293 | 70 | Torquay v North Devon | Sandhills, Instow | 2013 |
| 292-8 | 59 | Exmouth v Plymouth | United Services Ground, Plymouth | 2016 |
| 292-7 | 79 | Exeter v Paignton | Queens Park, Paignton | 2024 |
| 292-9 | 85 | Exmouth v Plymouth | The Maer Ground, Exmouth | 2025 |
| 290-5 | 64 | Bovey Tracey v Bradninch | The Recreation Ground, Bovey Tracey | 2009 |
| 290-6 | 79 | Plymouth v Exmouth | The Maer Ground, Exmouth | 2019 |
| 290-7 | 90 | Bradninch and Kentisbeare v Cornwood | Kensham Recreation Ground, Bradninch | 2025 |
| 289-7 | 83 | Bradninch v Plymouth | Kensham Recreation Ground, Bradninch | 2017 |
| 288-4 | 75* | Sandford v Barton | Cricketfield Road, Torquay | 2007 |
| 288-8 | 86 | Exeter v North Devon | The County Cricket Ground, Exeter | 2025 |
| 287-8 | 75 | Sandford v Bovey Tracey | Creedy Park, Sandford | 2019 |
| 286-5 | 72 | Paignton v Bovey Tracey | Queens Park, Paignton | 2024 |
| 286-8 | 87 | Plymouth v Sidmouth | The Fortfield, Sidmouth | 2025 |
| 285-9 | 79 | Sidmouth v Plymouth | United Services Ground, Plymouth | 2022 |
| 284-4d | 93 | Sidmouth v Torquay | The Recreation Ground, Torquay | 2013 |
| 284-9 | 53 | Sandford v Heathcoat | Creedy Park, Sandford | 2024 |
| 283-6 | 75 | Sandford v Exmouth | The Maer Ground, Exmouth | 2005 |
| 283-5 | 85 | Exmouth v Chudleigh | The Maer Ground, Exmouth | 2007 |
| 282 | 45 | Sidmouth v Plymouth | The Fortfield, Sidmouth | 2012 |
| 282-6 | 68* | Exeter v Plymouth | The County Cricket Ground, Exeter | 2015 |
| 282-8 | 67 | Sidmouth v North Devon | Sandhills, Instow | 2017 |
| 281-7d | 99 | Exeter v North Devon | The County Cricket Ground, Exeter | 2004 |
| 281-6 | 81 | Bovey Tracey v Cornwood | Oak Park, Cornwood | 2013 |
| 281-6 | 97 | Sidmouth v Plymouth | United Services Ground, Plymouth | 2020 |
| 280-9 | 88 | Bradninch v North Devon | Kensham Recreation Ground, Bradninch | 2013 |
| 279-4 | 69 | Sidmouth v North Devon | Sandhills, Instow | 2004 |
| 278-8 | 81 | Sidmouth v Bovey Tracey | The Fortfield, Sidmouth | 2022 |
| 277-5 | 91 | Heathcoat v Paignton | Queens Park, Paignton | 2015 |
| 277-8 | 97 | Plymouth v Sidmouth | The Fortfield, Sidmouth | 2018 |
| 277-8 | 75 | Bovey Tracey v Exeter | The County Cricket Ground, Exeter | 2019 |
| 277-8 | 81 | Heathcoat v North Devon | Sandhills, Instow | 2022 |
| 276-5 | 71 | Torquay v Exeter | The Recreation Ground, Torquay | 2005 |
| 276-4 | 81* | Exmouth v Sandford | Creedy Park, Sandford | 2019 |
| 276-6 | 76 | Bovey Tracey v Sidmouth | The Fortfield, Sidmouth | 2021 |
| 275 | 81 | North Devon v Paignton | Sandhills, Instow | 2015 |
