Home/Gauges/Florida/Monroe/Middle Keys CountyMonroe/Middle Keys County River Gauges3 active river gauges in Monroe/Middle Keys County, Florida.Tide Station at Grassy Key on Toms Harbor Channel (in MHHW)THCF1Tide Station at Long Key near Long Key Bight (in MHHW)LYTF1Tide Station at the Western Tip of Vaca Key (in MHHW)VCAF1