Highest totals For Inter-Insular T20 Series
Highest totals
Team | Score | Overs | RR | Inns | Opposition | Ground | Result | Match Date | Scorecard |
| 185/7 | 20.0 | 9.25 | 1 | v Guernsey | Castel | won | 21 May 2022 | T20I # 1545 | |
| 178/4 | 20.0 | 8.90 | 1 | v Guernsey | St Peter Port | won | 20 May 2022 | T20I # 1542 | |
| 171/6 | 20.0 | 8.55 | 1 | v Guernsey | Castel | won | 1 Jun 2019 | T20I # 790 | |
| 168/6 | 20.0 | 8.40 | 1 | v Guernsey | Castel | won | 21 May 2022 | T20I # 1543 | |
| 164/3 | 20.0 | 8.20 | 1 | v Guernsey | Castel | won | 1 Jun 2019 | T20I # 789 | |
| 157/3 | 18.1 | 8.64 | 2 | v Guernsey | Castel | won | 22 Jun 2024 | T20I # 2714 | |
| 156/6 | 20.0 | 7.80 | 1 | v Jersey | Castel | lost | 22 Jun 2024 | T20I # 2714 | |
| 152/6 | 19.0 | 8.00 | 2 | v Guernsey | St Martin | won | 8 Jul 2023 | T20I # 2122 | |
| 151/9 | 20.0 | 7.55 | 1 | v Jersey | St Martin | lost | 8 Jul 2023 | T20I # 2122 | |
| 149/6 | 19.1 | 7.77 | 2 | v Jersey | Port Soif | won | 23 Jun 2024 | T20I # 2718 | |
| 148/4 | 20.0 | 7.40 | 2 | v Jersey | Castel | lost | 21 May 2022 | T20I # 1545 | |
| 148/8 | 20.0 | 7.40 | 1 | v Guernsey | Port Soif | lost | 23 Jun 2024 | T20I # 2718 | |
| 141/7 | 20.0 | 7.05 | 2 | v Jersey | St Peter Port | lost | 20 May 2022 | T20I # 1542 | |
| 137/2 | 11.3 | 11.91 | 2 | v Guernsey | Castel | won | 22 Jun 2024 | T20I # 2715 | |
| 135/3 | 15.2 | 8.80 | 2 | v Guernsey | St Martin | won | 7 Jul 2023 | T20I # 2121 | |
| 134 | 19.4 | 6.81 | 1 | v Jersey | Castel | lost | 22 Jun 2024 | T20I # 2715 | |
| 134/6 | 20.0 | 6.70 | 1 | v Jersey | St Martin | lost | 7 Jul 2023 | T20I # 2121 | |
| 130/8 | 20.0 | 6.50 | 1 | v Guernsey | St Saviour | won | 7 Jun 2025 | T20I # 3209 | |
| 128/8 | 20.0 | 6.40 | 1 | v Guernsey | St Martin | won | 18 Aug 2018 | Other T20 | |
| 128/8 | 20.0 | 6.40 | 2 | v Jersey | St Peter Port | tied | 31 May 2019 | T20I # 788 | |
| 128/9 | 20.0 | 6.40 | 1 | v Guernsey | St Peter Port | tied | 31 May 2019 | T20I # 788 | |
| 127/8 | 20.0 | 6.35 | 2 | v Jersey | St Saviour | lost | 7 Jun 2025 | T20I # 3209 | |
| 123/9 | 20.0 | 6.15 | 2 | v Jersey | Castel | lost | 1 Jun 2019 | T20I # 789 | |
| 122/7 | 20.0 | 6.10 | 1 | v Guernsey | St Martin | won | 17 Aug 2018 | Other T20 | |
| 122/9 | 20.0 | 6.10 | 2 | v Jersey | St Martin | lost | 18 Aug 2018 | Other T20 | |
| 116/3 | 12.1 | 9.53 | 2 | v Guernsey | St Saviour | won | 7 Jun 2025 | T20I # 3207 | |
| 116/8 | 20.0 | 5.80 | 1 | v Guernsey | St Saviour | lost | 6 Jun 2025 | T20I # 3204 | |
| 111/2 | 17.4 | 6.28 | 2 | v Guernsey | St Martin | won | 18 Aug 2018 | Other T20 | |
| 110 | 20.0 | 5.50 | 1 | v Jersey | St Martin | lost | 18 Aug 2018 | Other T20 | |
| 108/9 | 20.0 | 5.40 | 2 | v Jersey | St Martin | lost | 17 Aug 2018 | Other T20 | |
| 108/8 | 20.0 | 5.40 | 2 | v Jersey | Castel | lost | 21 May 2022 | T20I # 1543 | |
| 107/7 | 13.0 | 8.23 | 1 | v Jersey | St Saviour | lost | 7 Jun 2025 | T20I # 3207 | |
| 95 | 18.4 | 5.08 | 2 | v Jersey | Castel | lost | 1 Jun 2019 | T20I # 790 | |
| 65/2 | 10.0 | 6.50 | 2 | v Jersey | St Saviour | won | 6 Jun 2025 | T20I # 3204 |
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