Montauk Music Festival
Fri. 5/17; Sat. 5/18; Sun. 5/19.
Main Street, Montauk, NY 11954 Free! More than 250 performances (from alternative rock, folk, pop, Americana and reggae, to blues, jazz, bluegrass and more) spread throughout the town, in different venues, including a two-day showcase stage set on downtown Montauk’s Village Green montaukmusicfestival.com
Sun. 5/19 11 a.m.-Noon, Noon-1 p.m..
Sands Point Preserve
127 Middle Neck Rd.
Sands Point, NY 11050-1218
$10 per car, free with annual pass.The magical life cycle of butterflies see the transformation from egg to butterfly and discover how you can attract them to your garden 516-571-7901
Flying Model Expo
Sat. 5/18 10 a.m.-5 p.m.; Sun. 5/19 10 a.m.-5 p.m..
Cradle of Aviation
Charles Lindbergh Boulevard
Garden City, NY 11530-6743 Free with museum admission: $14, $12 for children and seniors. See some of the best in class in model aircraft, everything from electric, gas, RC, rubber-powered, gliders, helicopters and more will be on display throughout the museum cradleofaviation.org