1. 1. Wear a lifejacket and carry a whistle
2. 2. Be a competent swimmer
3. 3. Know how to self rescue
4. 4. Know how to tow another board
5. 5. Know the local regulations and navigation rules
6. 6. Understand the elements and hazards – winds, tidal ranges, current, terrain
7. 7. Know when to wear a leash
8. 8. Be defensive – don’t go where you aren’t supposed to be and avoid other swimmers, boaters, paddleboards
9. 9. Use proper blade angle to be the most efficient paddle boarder
10. 10. Take a safety course

See more at: http://coastguard.dodlive.mil/2012/05/top-10-tips-for-stand-up-paddleboarding/