Darwin Waterfront is the city's easiest answer to the Top End heat: a managed harbour precinct with swimming areas, lawns, restaurants, and paths close to the CBD. The wave lagoon and recreation lagoon make it more practical for families than most of Darwin's natural waterfront, where crocodiles and stingers are not abstract concerns.
It can feel resort-like, but that is part of the point. Come for a swim, a drink, or a sunset walk toward Stokes Hill Wharf, and you get a softer version of Darwin than the pub streets and military history sites usually provide.