# Hidden Courts

> Discover public and hidden courts near you. Hidden Courts uses AI on satellite imagery to map tennis and basketball courts worldwide. Browse the community map for free.

Hidden Courts detects sports courts from satellite imagery using a pre-trained YOLOv8-OBB model, and maintains a free, community-built map worldwide. Browsing the map and directory is free; running a new AI scan of a chosen area is a one-off paid action (no account needed). Independent side project, not affiliated with any club or governing body.

## Sports
- [Tennis courts](https://play.hiddencourts.com/tennis-courts): 225 mapped across 51 areas.
- [Basketball courts](https://play.hiddencourts.com/basketball-courts): 13 mapped across 4 areas.

## Key pages
- [Live map](https://play.hiddencourts.com/): interactive satellite map. Search a place, browse, or scan.
- [Court directory](https://play.hiddencourts.com/courts): all sports, grouped by city (238 courts).
- [Sitemap](https://play.hiddencourts.com/sitemap.xml): machine-readable list of all pages.

## Court pages
Each court has a page at /court/<id> (coordinates, satellite thumbnail, directions). Per-sport city pages live at /<sport>-courts/<city-slug> (e.g. /tennis-courts/<city>, /basketball-courts/<city>).

## Popular areas
- [Tennis courts in Los Angeles](https://play.hiddencourts.com/tennis-courts/los-angeles) · 55
- [Tennis courts in Harrison](https://play.hiddencourts.com/tennis-courts/harrison) · 23
- [Tennis courts in Santa Monica](https://play.hiddencourts.com/tennis-courts/santa-monica) · 22
- [Tennis courts in Ashdod](https://play.hiddencourts.com/tennis-courts/ashdod) · 12
- [Tennis courts in San Francisco](https://play.hiddencourts.com/tennis-courts/san-francisco) · 11
- [Tennis courts in Berkeley](https://play.hiddencourts.com/tennis-courts/berkeley) · 9
- [Basketball courts in San Francisco](https://play.hiddencourts.com/basketball-courts/san-francisco) · 9
- [Tennis courts in Rye](https://play.hiddencourts.com/tennis-courts/rye) · 7
- [Tennis courts in Eupilio Como](https://play.hiddencourts.com/tennis-courts/eupilio-como) · 6
- [Basketball courts in Beşiktaş](https://play.hiddencourts.com/basketball-courts/besiktas) · 2
- [Basketball courts in Sarıyer](https://play.hiddencourts.com/basketball-courts/saryer) · 1
- [Basketball courts in Valmadrera](https://play.hiddencourts.com/basketball-courts/valmadrera) · 1

## Notes
- Courts are community-contributed and may be public or private; visit at your own risk.
- Locations are approximate, derived from satellite imagery; coverage grows as users scan.