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by Sarah J.F. Braley | September 01, 2010

The 142-room Oitavos, a luxury hotel and spa, opens today in Portugal's Sintra-Cascais Natural Park, about 20 minutes west of Lisbon. The full-service destination spa offers 10 treatment rooms, a spa garden and an indoor/outdoor seawater pool. The meeting space includes a conference center for up to 300 people and five additional meeting rooms. The property is on the grounds of the Quinta da Marinha Original estate, which features an equestrian center and the Oitavos Dunes golf course.