In Venice you can easily move around by vaporetto. From the Lido you can reach Piazza San Marco with line 1 or with Line 2, which pass through Giudecca and Tronchetto. While to reach the Rialto Bridge you can take line 1 or line 2/ .
To reach the Biennale Venice you can take line 1 that leads to both the Arsenale and the Biennale Gardens, passing through Piazza Roma and the Lido.
Line 5.1 leads to Arsenale Tese (North).
The Gardens of the Biennale can be easily reached with line 1, line 5.2 or line 6. These are the fastest lines, from the Lido it takes about less than ten minutes to reach the Gardens.
From Lido of Venice you can reach Murano with a single vaporetto via line 18.
Alternatively from the Lido you have to reach Fondamente Nove with line 5.1. Arrived at Fondamente Nove you go to Murano with line 12 by day or with the night lines NLN and NMU.
To reach Torcello you have to arrive in Fondamenta Nove with line 5.1. Arrived at Fondamenta Nove you go to Burano with line 12 by day and night lines NLN and NMU.