On the North end of the lake, in Skaneateles there are three parks with waterfront views:
Shotwell Memorial Park
Address: 28 W Genesee St, Skaneateles, NY 13152
Address: 15 W Genesee St, Skaneateles, NY 13152
Address: 66 E Genesee St, Skaneateles, NY 13152
On the Southern end of the lake is Andrew Fuller Park, located in Homer. Access to the lake is a little on the messy side but is still a nice place for a picnic with views of the water.