Action Sports
For extreme sports enthusiasts and adrenaline seekers.
Communities for people into high-adrenaline activities including skiing, snowboarding, kitesurfing, and electric skateboarding. Mostly Reddit and Discord, with some specialized forums for niche sports and activities that blend physical skill with gear culture.
Communities
All things snowboarding, /r/snowboarding or "shreddit" is the home for shredders of all age, cultures, and abilities.
The sport where you strap two boards to your feet and point them down the mountain. Turning optional!

TransWorld Skateboarding is a leading skate media brand with forums, content, and a engaged community of skaters and enthusiasts.

Skate Park of Tampa is a legendary skate park and community hub with events, competitions, and a global following of skateboarders.
A cycling community enthusiastic about mountain biking and all things related.

Welcome to Backcountry, a forum for all of your backcountry skiing questions.
Welcome to /r/scuba where scubbits dive deep! Ask questions and trade tips with a diverse community of divers, from open water newbies to dive instructors, commercial divers and scientists from around the world. Share your stories, pictures and video to have discussions with a subreddit full of people who love the underwater world and dream fishy dreams. Please read the sidebar and widgets! What are you waiting for? Come on in, the water is nice!

Welcome to the subreddit dedicated to cross-country skiing, the best winter sport around.

The Slap Message Board is a skateboarding forums for gear, questions, and a nice community.

Forums for building and repairing your electric skateboard.
Everything about Kitesurfing and Kiteboarding
Kite boarding, kite surfing, kite making, and more. Talk to others about techniques, repairs, and competitions on Kitelife.

Discord server for r/skiing subreddit

Reddit community built around the culture that women and girls bring to shredding sports like snowboarding, as well as surfing, skiing, skateboarding, and more.
A ski gear sub for everything ski related.
We may be small, but we're fast! Whether you're a skier or a fan, we welcome you to join us and discuss ski racing matters. Share pictures of your new gear, ask questions about ski tuning, or post the latest FIS results. This is also a great place to share footage for critique, or just to show off!

PEVZone is a Discord community that brings Electric Vehicle/PEV riders together for meetups and group rides! We're a friendly community of electric vehicle enthusiasts who love riding everything. This includes: electric bikes, electric scooters, eSk8, EUC, one wheel, electric foils/surfboards, and in the future - electric aircraft (eVTOL).

Search dive and snorkel spots around the world with maps, detailed reviews, and photos curated by oceans lovers like you.

The main skateboarding subreddit for sharing tricks, setups, spots, and community discussion.