Yes, it takes around 1 hour to go to Macau from Hong Kong by bus or ferry. Before the Hong Kong-Zhuhai-Macau bridge was built in 2018, most tourists take a ferry to go to Macau from Hong Kong. More and more tourists take a bus through the 55-kilometer long bridge to Macau now. The sea view is excellent during the bus trip.
Popular tourist attractions in Macau include Ruins of St. Paul's, Macau Tower and Macau Museum. It is suggested to spend more time at the Ruins of St. Paul’s, where you can admire exquisite relief sculpture.
You may want to visit some casinos in Macau, it is important to avoid getting addicted.