Monorail Links the City to Darling Harbour. Travel above the traffic and get some great views of Sydney. Water taxi Book an aqua-cab to go from one waterfront location to another. Water taxis operate 24 hours a day. Car hire A wide variety of car rental companies, both world-wide and local, is available.
Plugs differ from most countries.
Your hotel may have plug converters, but it's best to bring one from home. All Australian cities and most densely populated areas are well covered by mobile networks. International visitors should check with their own networks prior to departure. Most of Australia is empty of people. Australia has one of the lowest population densities in the world.