Abstract: A modular decking system comprising a decking panel, a plurality of vertical supports, at least two first horizontal supports, at least two second horizontal supports arranged perpendicular to the first horizontal supports, one or more third horizontal supports arranged between the first horizontal supports and parallel to the second horizontal supports, and a plurality of connectors for detachably coupling the first and second horizontal supports, is disclosed. The connectors include an elongate tube adapted for insertion into the vertical supports and a connection hub. The connection hub and the ends of the first and second horizontal supports include reciprocating formations to enable the respective ends of the first and second horizontal supports to slidingly engage with the connection hub.