The pier has a long breakwater which shelters St Kilda Harbour and hosts a little penguin colony. St Kilda Beach, with gentle bay waves, is popular with swimmers and sunbathers during the summer months. As with most metropolitan beaches near the mouth of the Yarra, however, it has poor water quality. The St Kilda Sea Baths was a Moorish themed building built in the late 1920s and demolished in the 1990s leaving only the two turrets. After much delay after the original developer Hannah Friedman ran out of money it was redeveloped to resemble in a small way the original style and continues a history of sea baths in St Kilda which dates back to the 1850s. Sometime referred to as "Chadstone by the Sea" (Chadstone being a huge shopping mall). Acland Street is a shopping and restaurant precinct with numerous cake shops and cafes. It also features a number of public artworks. It is now a dead-end street, with a tram stop and plaza blocking it at Barkly Street. St Kilda Town Hall is a building originally by William Pitt. It was burnt down in the 1980s and the interior has been extensively redesigned. Directly opposite is the St Kilda Public Library, built between 1971 and 1973 at 150 Carlisle Street. This is a brutalist design by architect Enrico Taglietti, designed to open like a book; it also includes Ashton Raggatt McDougall's award-winning extension (1994). Residential architecture With many layers of development, St Kilda is characterised by an eclectic mix of residential styles, ranging from rows of Victorian terrace houses, Edwardian and interwar homes and apartments to post-war and modern infill development. Much of St Kilda's innovative architecture is recognised nationally. St Kilda is home to many "boom style" mansions, dating back to the early days of the seaside resort. Historic residences include Eildon Mansion on Grey Street built in 1855 (later modified) to the design of Reed and Barnes is a significant grand old mansion. Hewison House built at 25 Chapel Street in 1869 is a former mansion that has become an administration building of St Michael's Grammar School. Marion Terrace in Burnett Street was built in 1883 and is considered one of the finest Second Empire styled terrace houses in Australia. Myrnong Hall built in 1890 on Acland Street is a large Victorian mansion richly decorated in cast iron. Edwardian buildings include The Priory, built in 1890