The significance of Coolart Lagoon and Wetlands is as follows:
(1) Aesthetic Value
The key aesthetic features of Coolart include the Homestead, the earlier "Barracks" building, their outbuildings, the gardens, the Lagoon, the Wetlands, the woodlands bordering Merricks Creek and the remnant of the original Coolart farm. The old tree lined drive (Luxton Drive, the former entrance) is adjacent to the Coolart property and is included in the citation.
The aesthetic attributes of the Lagoon and Wetlands are of Regional significance.
(2) Historical Value
Coolart is of Regional Significance as an example of the history of land alienation and subdivision practices, and of human manipulation of the landscape (Coolart Committee of Management, 1990).
(3) Scientific Value
The scientific value of Coolart, as represented by its fauna and its original and man-made "natural" elements is of State Significance.
(4) Social Value
The purpose served by Coolart today is as a valuable field education resource.
The social value of Coolart is of Regional Significance.
Coolart Reserve is in Lord Somers Road, Somers, on the south eastern Mornington Peninsula between Balnarring and Somers on Western Port. It is about 75 kilometres by road from the City of Melbourne.
Coolart is bounded to the north by freehold land, to the west by Balnarring Beach Road, to the south by Merricks Creek and to the east by Lord Somers Road and the Somers Children's Camp.
Note: Classified boundary varies from Coolart Wetlands and Homestead boundary