16th Annual Crawfish Festival Outdoor party with boiled crawfish, vegetarian food options, beer and cocktails, and live music by the Whitey Tighties, the Burnin Smyrnans and others. 2-10 p.m. Sunday; Heritage Square, South Magnolia Avenue and East Central Boulevard; $30-$100, $5 for crawfish; thecrawfishparty.com.
Back to the Beach Sanford Pub Invasion Pub crawl with stops at West End Trading Company, Sanford Wine Company, Twisted Vine and more. 8 p.m. Friday; Little Fish Huge Pond, 309 E. First St., Sanford; $10 includes one drink at each stop; 407-221-1499; littlefish-hugepond.com.
Seersuckers x Sundresses x Stripes: The Memorial Day Weekend Saturday Day Party Barnard Fleruima hosts live music by Dayve Stewart & the Vibe, drink specials and more. 2-9 p.m. Saturday; Ember Bar & Restaurant, 42 W. Central Blvd.; $15-$150; seersuckersandsundresses.com.
WoB Blood Drive – Give a Pint, Get a Pint Each person who donates blood will receive a free draft voucher to use at a later date. 3-8 p.m. Tuesday; World of Beer, 1125 TownPark Ave., Lake Mary; free; 407-878-6693; wobusa.com.
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