Underwater Secrets - Sydney Harbour Revealed. The Harbour cruise with a difference

Written by: Inke

On Tuesday 26 March the Harbour Program launched an exciting new activity that will give SydneySiders and visitors a chance to learn about the fascinating underwater world of Sydney Harbour while relaxing on a historic steamship. Underwater Secrets – Sydney Harbour Revealed is a joint venture between SIMS and the Sydney Heritage Fleet and brings together two organisations that have the harbour at the heart of their operations.

Representatives of print media, radio, the NSW National Parks and Wildlife Service and SIMS partner universities gathered at Darling Harbour on Tuesday morning to experience a taster of the newly developed cruise. The launch was kicked off by a short welcome and introduction by Ross Muir, general manager of the Sydney Heritage Fleet, and Assoc Prof Emma Johnston, director of the Sydney Harbour Research Program, on board the Lady Hopetoun, a beautifully restored century old steamship. Leaving Darling Harbour the guests were then treated to a relaxing yet stimulating cruise around Clark Island, one of Sydney Harbour’s beautiful sandstone islands and the first stop of the Underwater Secrets harbour cruise.

Emma Lady Hopetoun

cruise_ship sideview

Inke presentation

I was so fortunate to be the commentator for the day and where better than on the harbour can we immerse ourselves in the fascinating underwater world of Sydney Harbour without getting wet! At Clark Island cruise participants were entertained by tales about Lieutenant Ralph Clark’s vegie garden, William Haswell’s great discoveries and present day scientific research on and around island.  

The cruise celebrates the rich biodiversity at our doorstep while highlighting some of the issues a heavily urbanised estuary such as Sydney harbour faces. Cruise participants also get an insight into the important work that is done by local scientists in Sydney Harbour to ensure our iconic harbour remains alive and beautiful now and into the future.   

The cruise is scheduled to run monthly for up to 25 passengers, but if you would like to book this program for a special event a private cruise can be arranged for you. For bookings and more info go to

See you on board the Lady Hopetoun!!

Cruise poster


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