Short breaks at a Cornish castle overlooking what Time Out rates as one of Britain’s 10 best beaches are now £99 per room. This 2-night package from the Tregenna Castle Hotel in St Ives is less than half the regular price and includes:

• Full Cornish breakfast each morning
• Free accommodation for children sharing their parents' room**
• 20% discount on dinner in the main restaurant, on spa treatments and on the 18-hole golf course for the duration of your stay

Set on a 72-acre estate, the hotel has stunning views of the Cornish coastline and recently topped the Best View category at LateRooms.com's Best Kept Secret Awards.

The fishing port of St Ives, described by the World Travel Guide website as a "golden curve of gleaming sand, lapped by glimmering blue sea", is 15 minutes from the hotel. Facilities include a heated indoor pool, a gym, a health spa, a beauty salon and an on-site 18-hole golf course, plus tennis, badminton and squash courts. There's also a restaurant, a brasserie, a bar and free Wi-Fi in public areas. 

The offer is valid Sunday-Thursday until 28 March, 2013. Friday and Saturday stays, as well as stays over school holidays, are an extra £20 per room, per night. 

Upgrades to Castle Sea View rooms are £10 more per room, per night; upgrades to West Wing Sea View rooms are an extra £20 per room, per night.

Not available on 23-24 November; 1, 24-31 December; 1 January; 8-9, 21-23 March. Book by 17 October.

Click here for more information on the hotel.