Demi Moore -- Man Found Dead in Pool

The man who died did not know how to swim and it appears he slipped and fell in the pool, law enforcement sources tell TMZ. We're told there was no foul play. Our sources say Demi's caretaker threw the party and invited the victim. They reiterated neither Demi nor her kids were there.

As for alcohol, we're told there was "a limited amount."

We're told the caretaker and the others went out at some point leaving the victim behind, and when they returned they found him at the bottom of the pool.

A man was found dead Saturday night in Demi Moore's swimming pool ... TMZ has learned.

Law enforcement sources tell us, a 21-year-old man apparently drowned in the swimming pool and his body was discovered early Sunday morning at the bottom of the pool.

We're told there was a party at the house. Demi was not there ... she's currently out of town. A law enforcement sources tells us none of Demi's family was present.

A neighbor, however, tells TMZ, Demi's kids have been staying at the house for weeks and have been throwing "parties every day, day and night." She says there are frequent pool parties.

Police are investigating.

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