21x Postcard of Florida Spiny Lobster (With Recipe on Back). Mini-Lobster Season is a 48-hour open season on the Florida spiny lobster on the last week of July. Thousands of sports divers descend on the Florida Keys to participate in this event. The commercial season begins August 6 through March 31. A valid saltwater fishing license and a current crawfish stamp available at tackle and dive shops is required. The bag limit is six lobsters per diver per day. Extra On Back Of Postcard Recipe For TOMATOES STUFFED WITH LOBSTER Postcard size 4 x 6