All county-owned beaches and parks will be closed, beginning at 5 p.m., Thursday, July 2.
Florida is among a handful of states emerging as new virus hotspots in the US.
Broward is now reporting 15,645 new cases and Palm Beach County now totals 13,711 confirmed coronavirus cases.More news: Sacha Baron Cohen trolls far-right event disguised as bluegrass singer
Texas ordered all bars to close again with immediate effect, and Florida banned them from serving alcohol. Beshears said that the order was in response to the growing number of coronavirus cases.
"I want to stress that I will extend this order and keep the beaches closed past July 7 if we do not see people taking this seriously".
Covid-19 ICU bed capacity in Miami-Dade County is now up to 48.8%. That impacts the popular beach towns of Miami, Palm Beach, and Fort Lauderdale.
Broward County Mayor Dale Holness said "Broward beaches will close on July 4 weekend in agreement with Mayors of coastal cities in Broward".More news: Couple point guns at protesters in St Louis outside their mansion
"Not everyone's going to be happy about that decision and we always understand that sometimes decisions have to be made so that we can protect the majority of people. So we just ask that you understand and try to respect what we're trying to do for the general public", Trantalis responded.
Miami-Dade also said it will restrict gatherings or parades of more than 50-people and the viewing of the fireworks show will be limited.
"Everyone should wear masks inside public establishments and outside if they can not practice social distancing of at least 6 feet", Gimenez said in a statement.
Florida hit a record number of daily cases, nearly 10,000, on Saturday.More news: Boeing can begin test flights of the 737 Max, FAA says