Indulge in some pre-Christmas activities, from horse riding and tennis to swimming, with Wigmore Holidays (020 7836 4999): seven nights' half-board at the five-star Sofitel Palm Beach hotel on the Tunisian island of Jerba costs £585 per person including return flights from Heathrow or Gatwick. Daily departures (except Saturdays) from 8 to 14 December.