| Site | URL | Comments |
| Clyde Cruising Club (Dinghy Section) | http://www.clyde.org/www2/dng_home.shtml | Currently the largest Oppie fleet in Scotland. |
| St Mary's Loch SC | http://www.stmlsc.org.uk | A growing fleet. |
| Royal Northern & Clyde | http://www.rncyc.com | |
| Helensburgh Sailing Club | http://www.helensburghsailingclub.co.uk | A regular location for winter training sessions |
| Site | URL | Comments |
| Dalgety Bay SC | http://www.dalgetybay | . |
| Spey Valley SC | The most northerly location on the circuit. | |
| Largs SC |
| Site | URL | Comments |
| RYA Scotland | http://ryascotland.org.uk | Looks after Scottish sailing interests |
| RYA | http://rya.org.uk | Looks after UK sailing interests |
| IOCA (UK) | http://www.optimistsailing.org.uk/ | The governing body for Optimists in the UK. |
| IODA | http://www.optiworld.org/ | The International version of IOCA |
| Scottish Toppers | http://www.scottishtoppers.org.uk | We frequently share open events with the Toppers - a lot of Oppie sailors move into Toppers as they grow... |
| AccuWeather.com - UK & Ireland Weather | http://ukie.accuweather.com/ | Weather for a post code area. |
| Yachts and Yachting | http://www.yachtsandyachting.com/ | The best on-line racing UK sailing mag, and Europe's most visited mag URL |
| Wind Guru | http://www.windguru.cz/int/index.php | Worldwide weather forecasts for sailing/surfing. Outstanding, coach recommended.. |
| Trident UK | http://www.trident-uk.com/ | The dinghy shop on the web. Helpful advice - it's run by sailors! Their on-line shop has an Optimist section. |
| Pinnell & Bax | http://www.pinbax.com/ | Another popular chandlery with Oppie supplies |
| Site | URL | Comments |
| Coffee Cup | http://www.coffeecup.com/ [ Get CoffeeCup - HTML Editor & Web Design Software ] |
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