Hoddesdon Swimming Club
- Information and news mainly aimed at members of this speed swimming club. Based in the John Warner Sports Centre, the club trains both children and adults.
- http://home.btconnect.com/fin/

Motorsport World
- Corporate and kids Go-Karting. Includes details of tuition, online booking and calendar.
- http://www.rye-house.co.uk

Hoddesdon Radio Club
- Club involved in radio communication. Site includes details of upcoming meetings and location.
- http://www.hoddesdonradioclub.com

Hoddesdon Kart Club
- Go-Karting club. Website includes championship information and upcoming meetings.
- http://www.hoddesdonkartclub.co.uk