Sacramento was again without top-scoring threat James Anderson (sore right groin) and had a tough time putting the ball in the basket in the first half of the team's final Summer League contest.
The Kings scored just nine first quarter points en route to 25-point halftime deficit.
However, Sacramento used a huge 27-1 run to take the lead late in the third quarter, holding Miami to a meager four points in the 10 minutes.
Julyan Stone's corner three-pointer proved to be the difference in overtime as the Kings completed the comeback, winning 73-68.
Rookie Willie Cauley-Stein continued to impress defensivly, racking up three blocks and nine rebounds, while boosting his Summer League averages to 2.