Jamie Collins and his wife, Katrina Jackson -- AKA Kat Tat -- are saying goodbye to their Florida digs ... and this one's loaded with luxury.
Real estate sources tell us the 2x Super Bowl champ -- formerly with the New England Patriots -- and the "Black Ink Crew: Chicago" reality star listed their 4-bedroom, 5-bath estate about 20 minutes outside Melbourne for $4 million last week.
The place is giving major resort vibes. The pad sits on a nearly 1-acre lot inside a gated community and spans 4,350 square feet of living space.