Operator Four Seasons Hotels & Resorts has revealed it has around 40 projects currently in its pipeline, including five properties with spas opening during the remainder of 2010.

First to open is the Four Seasons Seychelles. Located on the beach at Petite Anse Bayon, Four Seasons' latest property has 67 villas and 26 private residences as well as a large spa with interiors by architects HBA Singapore.

Next to launch will be the Four Seasons Hotel Hangzhou at West Lake. Set to launch in the first half of 2010 and one of a number of Chinese projects in the pipeline, this hotel will feature a spa focused on Asian therapies, an indoor pool and an outdoor heated pool.

The third to open will be the Four Seasons Resort Vail in Colorado, US in mid-2010, complete with an alpine spa with 13 treatment rooms, including two for couples, and treatments specially designed for high altitudes.

Still in the US, the Four Seasons Private Residences Denver will launch next in mid-2010. An urban condominium, it will feature the services of a typical Four Seasons hotel as well as offering a full-service spa and salon.

Finally, the Four Seasons Hotel Marrakech is set for a late 2010 launch, this 140-room hotel will boast a full-service spa, steam room, two large heated pools, a plunge pool and a fitness centre. Details: fourseasons.com