Trivia: The boardwalk scenes were filmed on location at the Santa Cruz Beach Boardwalk in Santa Cruz, California.
Trivia: Mary Lambert was originally set to direct, but was fired due to creative differences between her and producer Richard Donner.
Trivia: Richard Donner was originally offered to direct. Having just received Lethal Weapon, he declined the offer, but stayed on as an executive producer.
Trivia: In the end when David is impaled on the antlers, he doesn't die like the other vampires. Even though Max later says so, David doesn't die. This was intended to give way to a sequel, but it never happened.
Trivia: After twenty years of attempting to make a sequel, the direct-to-video film Lost Boys: The Tribe was released in 2008. Coincidentally, the film features Kiefer Sutherland's half-brother, Angus, as the head vampire.
Trivia: When David is grabbing Sam as he is escaping from the cave, he looks at his burnt hand and a tear comes out of his eye. The reason for this was Kiefer Sutherland had been wearing his vampire eye contact far too long and when he looked at his burning hand, the extreme light caused his eye to water up. This has been confirmed by Kiefer himself.
Trivia: The plot of the movie was intended to involve middle-school aged kids as the vampires, just like the lost boys in Peter Pan. The director loved the title but hated the idea as he didn't want it to come off as a 'copycat' of The Goonies, which featured middle-school aged kids, so he changed it.
Trivia: Kiefer Sutherland was originally only intended to wear his black biker gloves during scenes in which he rode on his motorbike. However, while messing around off-camera, he fell off one of the bikes and broke his arm. He then had to wear the gloves to cover his cast.
Trivia: During production of the film, Corey Feldman became a drug addict after being given cocaine the first time. Director Joel Schumacher (who had his own issues with drugs) found out, and fearing for Feldman's safety, fired him but then subsequently rehired him. Feldman has stated that Schumacher became a great friend of his and did everything in his power to try to help Feldman kick his drug habit and get his life back together. They still regularly spoke up until Schumacher's death in 2020.
Trivia: In one scene, David burns his hand in sunlight, and he sheds a tear. It's actually due to the painful contact lenses that Kiefer Sutherland had to wear to give him his vampire eyes.
Trivia: Doing this film was intended to make Jason Patric (Michael) a teen idol star, but it didn't happen. Later reports stated his character performance wouldn't upstage that of Kiefer Sutherland's.
Trivia: According to the writers, the character name of Lucy was chosen to reflect with Lucy Westernra, from Bram Stoker's Dracula.
Trivia: Dwayne's name is never spoken in the film. It is only mentioned in the end credits.
Trivia: Filming for this movie was completed in just three weeks.
Answer: Because the Head vampire, Max, had fallen in love with Michael's mom. At the end of the movie he said, "Boys need a mother and if I could get Michael and Sam into the family, you would have no choice but to join us."