Pinellas Beaches, FL - Want to set sail on the floating casino in John's Pass? Find out the information about it here. Phone, Suggest a phone number · Address, Suggest an address Tradewinds Casino Cruise, Madeira Beach, Florida. 88 likes Johns Pass Sandbar. Marine. The casino and cruise ship operation will close its John's Pass location in Treasure What started as a single vessel operation has grown to become Florida's.