The Shoreline Arts Alliance's Costumes & Cocktails Adult Halloween Party will take place Oct. 19, from 7 to 10 p.m. at East Creek Landing, 390 South Union Street, Guilford. Guests will dress in costumes and will celebrate Halloween and arts on the shoreline. shoreline. There will be a pizza truck, signature drinks, music, dancing, a costume contest, spooky activities, and a silent auction. All proceeds from the evening will benefit arts awards, scholarships and SAA’s Leadership Development Internship Program for high school students.