also offers a range of restaurants with those at the budget end often offering very good value. The Crown Casino complex also offers a lively shopping promenade, bar venues and a variety of gaming and entertainment offerings. These venues all fit logically into a walk along the Yarra River between Princes bridge and the Centra Hotel (on Spencer Street). Located beside the Yarra is the recently built tourist attraction, the Melbourne Aquarium http://www.melbourneaquarium.com.au . At the corner of Queenswharf Road and King Street, it is open seven days a week. Yet another important building adjacent to the river (it is located between the Maritime Museum and Crown Casino) is the Melbourne Exhibition and Convention Centre http://www.mecc.com.au .  It is known colloquially as Jeff's Shed after the Premier of Victoria at the time it was built, Jeff Kennett. It is almost always in use housing all sorts of exhibitions. From the outside it is not a very attractive building but it is ideal for the purpose for which it was built.  It is 360 metres long. Or you can choose to go further afield, going for example by boat from Princes Walk in either direction - to Como Island or under the Westgate Bridge to the Port of Melbourne. One company offering a range of cruises and outings on the Yarra River is Melbourne Tramboat Cruises http://www.tramboat.com.au . One of their trips goes, for example, from the Docklands area to Williamstown and back again. On the return trip it is dark