Net profit figures did not factor in the $368,000 spent resisting a takeover bid from Village Roadshow.

In its half-year results, the group noted attendance drops at the flagship Sydney Aquarium, Sydney Tower and Skywalk, the latter by 17 per cent.

However, Manly Ocean World reported an attendance increase by the same amount, up 41,000 visitors for the same period the previous year. Overall attendance at its sites jumped by seven per cent to 1.27 million.