Avalon 15 Lansdowne Street Boston, MA, Phone: 617-262-2424, Fax: Category:Night Clubs, Gay & Lesbian Pubs Restaurants Nightclubs Website: http://www.avalonboston.com/ Description: AVALON is a 2,000 plus capacity multi purpose venue with full concert stage, private booths, lounges, huge dance floors, and one of the best light shows in Boston. [Map]