Trivia: The actor who plays the boy accidentally placed at the all-girls camp is Lindsay Lohan's brother.
Continuity mistake: When Hallie arrives in San Francisco she is shown getting out of the car and the door is closed, then in the close-up shot the car door is open in the background.
Continuity mistake: When Hallie wants to get a popsicle/lemonade, her hair bobble is green, but in the next shot it is white and then changes back to green again. (00:24:30)
Continuity mistake: When Marva Kulp Sr. is sliding into the cabin, the girl on the right side top bunk is slightly under the sheets, and the girl on the bottom is sitting with her legs out. When the camera cuts back to the whole cabin, the girl on top is lying on top of the sheets, and the girl on the bottom is under the sheets.
Suggested correction: I've looked at it closely. I can't see a hole anywhere.
You can also see that Annie's ear is already pierced during the lake scene.