The annual numbers of tourists undertaking day-trips and overnight visits to coastal waterways is a suggested indicator for State of the Environment reporting (e.g. Indicator 7.7 in the Estuaries and the Sea volume) [1].
Photo 1. Sculpture by the Sea along the Bondi to Tamarama coastal walk (a), and at Cottesloe Beach (b). The Sydney event is Australia's largest annual outdoor free public exhibition of contemporary sculpture, attracting over 450,000 visitors. (Photo (a) by Chris Fitzgerald; and photo (b) and the sculpture by Bruce Radke).
Coastal areas frequented by tourists may have to contend with the following issues:
Photo 2. (a) A campsite at Myall Lakes, NSW, and (b) boat ramp impinging on mangroves across from Tea Gardens, NSW. (photos by Caroline Wenger)
More information on coastal tourism as an indicator (e.g. reporting scales, outputs, analysis and interpretation and data sources) can be found in the Estuaries and the Sea volume of Environmental Indicators for National State of the Environment Reporting [1].