I know it's a way out of town, but this place is perfect for chilling by a pool, surfing the web on their broadband wi-fi and picking up sexy tourists
From the website;
"Located approximately 25 miles south of the capital, Colombo, the Royal Palms hotel is an excellent choice for guests who appreciate modern comfort on a fine stretch of coastline. The hotel is centred on its large free form pool with swim-up bar and features an excellent range of sports and leisure facilities including an Ayurvedic health spa. Rooms are stylishly furnished with authentic wooden flooring and the complex is set in acres of lush tropical gardens backing directly onto the golden sands of Kalutara Beach"