Celebrate the 20th ‘Sink Anniversary’ of the Keys’ Spiegel Grove Artificial Reef
Divers and ocean enthusiasts can celebrate the 20th “sink anniversary” of the third-largest vessel ever intentionally scuttled to become an artificial reef — the retired 510-foot Navy Landing Ship Dock Spiegel Grove, which lies off Key Largo — with events May 15-17 and a contest to win a Keys trip to dive the famous wreck.