Take a dive

More than 200 exhibitors of dive kits and holidays, plus free presentations covering the best exotic dive locations and adventures. Notable speakers include Monty Halls and you can meet BSAC and PADI representatives to hear about the latest technical developments.

ExCel, Royal Victoria Dock, E16 (020-8977 9878). Sat 5 Mar, 9.30am-6pm, Sun 6 Mar, 9.30am-5pm, £9.50, under 12s £2, under fives free.