( CNN ) -- The oil spill on the Gulf Coast has states and visitors bureaus working hard to keep the public updated and reassure beach-bound travelers . Here are some of the latest updates from destinations affected by the oil disaster : . Northwest Florida . The beaches in Fort Walton Beach , Destin and Okaloosa Island are open to the public and the air quality is good , according to the Emerald Coast Convention and Visitors Bureau , which represents the three destinations . `` Depending on the wind direction , tar balls may float ashore in Destin or Ft. Walton Beach later in the week , but cleaning crews are standing by , '' the bureau 's website said . Small to moderate-size tar balls continue to wash up on some beaches of south Walton County , but the impact has been isolated and all 15 beach communities remain open , according to the Walton County Tourist Development Council 's website . Meanwhile , small scattered tar balls and oil patches have affected Panama City Beach , but the beaches are open and the swimming is still safe , the area 's visitors bureau website said . `` Our sugary white sand beaches are open for the enjoyment of our guests and , as of now , we are seeing only intermittent impact , '' according to the bureau . iReport : Share your photos of affected beaches . The beaches of Pensacola Beach and Perdido Key are open for swimming , but sporadic tar balls and a milky sheen have been reported on Perdido Key , according to the Pensacola Bay Area Convention and Visitors Bureau . `` Skimmer vessels respond to reports of oil sightings as needed . In addition , clean-up crews will be working on beaches at night when temperatures are cooler , '' the bureau 's website said . iReport : A slick trip to Perdido Key . Last week , the Escambia County Health Department rescinded a health advisory that had been issued for beaches stretching from the Florida-Alabama border to the entrance of the Perdido Unit of the Gulf Islands National Seashore . Government officials said that there was no oil sheen or oil slick observed in the water from the high-water mark out to 100 yards from shore . Dime-size to 5-inch tar balls continue to wash up in widely scattered areas of northwest Florida , but all of the state 's beaches remain open , according to Visit Florida , the state 's tourism corporation . Gulf Islands National Seashore . All of the Gulf Islands National Seashore sites , which are in Florida and Mississippi , are open , the National Park Service 's website said . But several spots have been affected by the oil spill . On Santa Rosa Island , a clean-up was under way where light mousse -- a frothy oil-water mixture -- made landfall . Significant tar balls washed ashore near Opal Beach and oil sheen was approaching Opal 's shoreline . `` Response efforts include the constant surveillance for oil on the water , '' the website said . Gulf Shores and Orange Beach , Alabama . Gulf Shores and Orange Beach , Alabama , have experienced significant oiling , according to the Alabama Gulf Coast Convention and Visitors Bureau . `` The beaches are open and visitors are still welcome to sunbathe and walk the beach , but we strongly suggest they swim in a pool or enjoy our many off-beach activities , '' the site said . The Alabama Department of Public Health has issued an advisory against swimming in waters off Gulf Shores , Orange Beach and Fort Morgan or in bay waters close to Fort Morgan , Bayou St. John , Terry Cove , Cotton Bayou and Old River . Grand Isle , Louisiana . The oil 's biggest impact in Louisiana is on the portion of the coast from the mouth of the Mississippi River extending east , according to a state emergency website . `` Most of the Louisiana Gulf Coast , 70 percent , is unaffected by the oil spill and remains open for commercial and recreational fishing , '' according to the Cajun Coast Visitors and Convention Bureau website . Grand Isle has closed its public beach , the site said .
All of Florida 's beaches are open , including tourist hot spots Panama City and Pensacola . Sporadic tar balls and a milky sheen have been reported on Perdido Key . Health officials have issued advisory against swimming in Alabama Gulf waters .