Around the Venetian lagoon are other smaller islands, which have since been deserted but are worth a visit. There is also the Lido, which is a long narrow island with more modern buildings, hosting a youth hostel and a hotel.
Venice - The main island
The Lido - Venice beaches are located here.
Murano - Nearby Island with typical glass
Burano - Nearby Island with typical textiles and painted houses.
San Lazzaro - Nearby Island with Armenian monastery and impressive art collection, some world class pieces.
Mestre - Mestre is the Mainland, but still part of Venice
Jesolo - Jesolo is one of the most important beaches in italy, just 45' from Venice by car or by boat ferry from Treporti to Venice