Onyria Quinta da Marinha Hotel is a luxury resort situated in the Sintra-Cascais Natural Park overlooking the Atlantic Ocean. It has an 18-hole golf course and 2 restaurants. Each of Onyria Quinta da Marinha's air-conditioned rooms has a spacious balcony with panoramic views of the golf course or the Sintra mountain range.

Rooms also include a minibar, flat-screen TV and a private bathroom with Molton & Brown amenities. Five Pines Restaurant offers international buffet meals and Rocca serves gourmet Portuguese cuisine made from organic vegetables grown on-site.

Live music can be heard at the Trent Jones bar. At the spa, guests can enjoy a relaxing pedicure or body treatment. There is also an indoor pool. Located in the coastal town of Cascais, Onyria Quinta da Marinha Hotel is 4 km from Guincho Beach.

It is a 35-minute drive from Lisbon's historic areas, like Chiado, Rossio and Bairro Alto. Scenic and beautiful Sintra is at a short drive and is renowned for its stunning sights and monuments. The property is 36.8 km from Lisbon International Airport.