The 1999 Port Tiki 500 was the third running of the Port Tiki 500. The event was held on June 15, 1999 at Port Tiki Speedway in Port Tiki in the state of Tiki. The race was originally going to be held on June 12, 1999, but due to flooding, the race was postponed until June 15. Svlarlu'na Yaruwoykeu won her first race.
In lap 45, Shanaynay Twain smashed into the wall after the brakes on her car failed. It resulted in a broken leg, but she was able to drive in the next race after proper treatment.