The homer, Lind's 32nd, broke a 4-4 tie leading off the bottom of the 10th.
His 31st, a two-run blast, created the tie with no outs in the eighth, erasing a 4-2 deficit.
Jose Bautista hit a sixth-inning solo homer.
Travis Snider had one RBI, while Lind had three hits for the Blue Jays, who
have won five of six.
The winner was Jason Frasor (7-3).
Mike Sweeney's two hits and one RBI led Seattle.
A fifth-inning run scored on a wild pitch by David Purcey.
Bill Hall hit a seventh-inning sacrifice fly.
Jose Lopez and Franklin Gutierrez had three hits each, while both Adam Moore and Matt Tuiasosopo added two hits for the Mariners, who have lost three of four.
The losing pitcher was Shawn Kelley (5-4).
Copyright 2009 by United Press International.