The Breed (2006) (2006)

After inheriting their late uncle's island cabin, brothers John and Matt decide to spend a weekend there with Matt’s girlfriend, Nicki, and some friends. Their peaceful retreat quickly turns into a nightmare when they are attacked by a pack of vicious dogs. The situation escalates as they witness another guest, Luke, brutally killed by the animals. As they fight for survival, the group uncovers a nearby training facility where these lethal dogs have been specifically bred for violence.