Nestled between the shimmering coastline of Cascais, the cultural treasures of Lisbon, and the fairytale landscapes of Sintra, Onyria Marinha Cascais is your serene escape in the heart of Portugal. Surrounded by pine forests and Atlantic breezes, our Hotel offers an oasis where time slows down, and nature sets the rhythm.
Enjoy spacious rooms and suites with elegant design, relax by our outdoor pools, and experience world-class golf, intuitive wellness, and exceptional dining inspired by the sea and the mountains. Whether you're exploring the charming streets of Cascais, the grandeur of Sintra’s palaces, or the vibrant life of Lisbon, our prime location allows you to reconnect, recharge, and create lasting memories.
At Onyria Marinha Cascais, every stay is an invitation to unwind, to breathe deeply, and to feel truly at home, a setting to reconnect with what truly matters, where every experience feels intentional and every day brings a quiet renewal. It’s the kind of place you’ve been dreaming of, without even knowing it.
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May 2026
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June 2026
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Last found just now
May 18, 2026
Standard Room
When you arrive at the hotel we will do our best to meet your room type preference. This is subject to availability and cannot be guaranteed