The first film not named after a Fleming story, this was originally titled Licence Revoked, but polling indicated American audiences thought it meant he lost his driver's license.
The first Bond film to have a PG-13 rating, the last to show him smoking.
The MI6 station office is Hemingway's house in Key West; when his license is taken away, Bond says, "I guess it's a farewell to arms."
When Bond is on the gasoline tanker and is being shot at by machine guns, the bullets that ricochet off the tanker make the Bond theme.
Sanchez's mansion was filmed at an estate in Acapulco.
Sanchez and the black DEA agent from the begining of the movie also appeared together as FBI agents in Die Hard.
The character of Krest was originally in the Ian Fleming short story, "The Hildebrand Rarity".
Felix Leiter's shark attack was actually in the book "Live And Let Die".
Another item you might find interesting was the fact that one of the two DEA agents--I forgot the charcter's name--was that he was an Olympic gold medalist. I believe the charcter's name was Mullens and he was played by Rafer Johnson who I believe struck gold in 1964 in the decathalon.
007 refers to Pam Bouvier as Ms. Kennedy when he arrives in Isthmus City. This is a reference to former first lady Jacqueline Bouvier Kennedy, and coincidentally, President John F. Kennedy was a fan of Ian Fleming's novel From Russia With Love.