Washington
The last Miami Dolphins Super Bowl win was the year after the undefeated season, 1973.
Never
Super Bowl 26. It their last Super Bowl appearance and they beat the Bills 37 to 24.
Super Bowl V in 1971 they were beaten by the Colts. Super Bowl VI they defeated the Dolphins. Super Bowl X in 1976 they were beaten by the Steelers. Super Bowl XII they defeated the Broncos. Super Bowl XIII in 1994 they were beaten by the Steelers. Super Bowl XVII they defeated the Bills. Super Bowl XVIII they beat the Bills again. Super Bowl XXX in 1996 they finally defeated the Steelers.
1984 season.
They last won the Super Bowl on January 26th, 1992 in Super Bowl XXVI. They beat the Buffalo Bills 37-24.
pittsburgh steelers
Seattle Seahawks
The Dallas Cowboys, who beat the Steelers 27-17 in Super Bowl XXX (January 28, 1996).
They beat the New England Patriots 17-14.
Dan Marino, who was the Miami quarterback on January 20, 1985 in Super Bowl XIX at Stanford Stadium in Palo Alto, California. The San Francisco 49ers defeated the Dolphins, 38-16.
That has only happened twice in Super Bowl history ... 1) Dallas Cowboys lost Super Bowl V to the Baltimore Colts and won Super Bowl VI over the Miami Dolphins. 2) Miami Dolphins lost Super Bowl VI to the Dallas Cowboys and won Super Bowl VII over the Washington Redskins.