The Sacred court marked the end of the sacred way leading to Elefsina from Athens and also used to be the gathering place for pilgrims.

The Sacred Court contained the "Eschara", a structure that is dated to the 8th to the 2nd Century B.C. - containing altars for the offerings to goddesses and a temple dedicated to god Artemis Propylaea, dated to the 2nd Century A.D..

The "Greater Propylaea" is a Doric propylon, that is a copy of the Acropolis of Athens Propylaea, which was designed by Mnesikles and is dated to the 2nd half of the 2nd Century A.D.. Additionally, the "Lesser Propylaea" is a propylon dedicated to the gods, designed by Appius Claudius Pulcher in 54 B.C. and is an internal Ionic propylon.

The "Telesterion" is a very large square hall with 6 entrances and 4 rows of seats where the initiates used to sit. The Telesterion's foundations are sadly not preserved today.
 

It had the following structure: the megaron used to occupy the centre of the main hall, the "adyton" of the Elefsinian cult, where only the high priest of the church was allowed to enter in order to perform the mystic ritual.

There are also several phases that one can distinguish inside the building that are dated from the 5th Century B.C. to the 2nd Century A.D.. The "Triumphal Arches" are reproductions of the Hadrian Arch in Athens, were constructed after 129 A.D.. The "Callichoron Well" used to be a place where Elefsinian women used to dance in order to celebrate and honor their goddesses during the Elefsinian mysteries.

According to the Homeric Hymn here rested Demeter when she first came to Elefsis. The "Callichoron Well" is dated to the first half of the 5th Century B.C.. The "Ploutonion" is a sacred wall around a cave that according to the ancient traditions god Pluto, god of the underworld used to appear.

Every year, around the "Ploutoneion", there used to be a celebration for Persephone, for her annual return according to the ancient traditions. It is dated between the 6th Century B.C. and the 4th Century B.C.. Lastly, there is the "Mycenaean Megaron", which is a foundation  belonging to a rectangular temple with 2 columns on an axis.