[1] The northern arm of the estuary of the Boyne River forms part of the eastern boundary.

[3] Gladstone–Benaraby Road (State Route 58) closely parallels much of the eastern boundary before passing through the south-eastern corner.

[6][5] The suburb is named after Sir Maurice Charles O'Connell who was the Government Resident at Port Curtis from 1854 to 1859.

The nearest government primary schools are Kin Kora State School in Kin Kora to the north and Gladstone South State School in South Gladstone to the north.

[8] There is a boat ramp and floating walkway on the Gladstone - Benaraby Road providing access to the South Trees Inlet (23°56′10″S 151°17′25″E / 23.9360°S 151.2902°E / -23.9360; 151.2902 (Toolooa, Gladstone - Benaraby Road boat ramp)).