Movie theatres are in plenty in Sri Lanka as movie-watching is a popular past time. For a couple a cinema outing would cost around Rs.1036, which is a reasonable amount to pay for an evening's entertainment.
For locating cinema halls near you, see:
The nightlife of Sri Lanka, especially Colombo, is quite happening, with casinos, nightclubs and discotheques galore.
For admission into these places, you need to be dressed well, smart yet casual. Entry is often free, but at the hottest places charges might run up to 1,500 (particularly for men).
The casinos are open to all foreign-passport holders.
Top locations for nightlife in Colombo: