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The distribution of seagrass and associated benthic communities was mapped between the 29 July and 29 August 1997 on the reef and lagoon at Low Isles, Great Barrier Reef. For this survey, a total of 349 benthic survey points were examined by observers walking or free‐diving at survey points positioned approximately 50 m apart along a series of transects. To assist with mapping meadow boundaries, an additional 177 points were assessed and a 1:12,000 rectified aerial photo was commissioned (26th August 1997). A differential handheld global positioning system (GPS) was used to locate each point assessed. 127.8 ±29.6 hectares of seagrass was mapped.