Fortaleza Do Guincho, CascaisFortaleza Do Guincho in Cascais, Portugal has a corrected score of 3.9 ± 0.2 (solid evidence, 3 of 4 platforms), ranked 6 of 34 hotels we score in Cascais. Its platform ratings, normalised to 0-5, average 4.1 before correction: Booking.com 4.0, Tripadvisor 4.1, Google 4.3. Rooms from about $314 a night (cached, not a live quote).Fortaleza Do Guincho is a five-star boutique hotel set within a 17th-century fortress. It sits on the cliffs of Cascais, overlooking the Atlantic Ocean and Guincho Beach. As part of the Relais & Châteaux collection, the property provides access to a Michelin-starred restaurant and sits within a natural park. The hotel suits travellers interested in surfing, kite surfing, or fine dining. Facilities include a solarium, massage services, and business centre. While the location offers direct views of the coast, the guest rooms are relatively small. The hotel is pet-friendly and provides on-site parking for visitors.What stands out

Michelin-starred restaurant

Historic fortress setting

Near Guincho Beach

Pet friendly

Watch out for

No swimming pool

Small guest rooms

Better-scored in Cascais

Legacy Hotel Cascais, Curio Collection by Hilton, Cascais: 4.4 ± 0.2 (fair evidence, 3 of 4 platforms), from $337 a night. Legacy Hotel Cascais is a 59-room property in Cascais, Portugal, situated within walking distance of the local beaches and the historic town centre.

Estoril Vintage, Cascais: 4.3 ± 0.2 (solid evidence, 3 of 4 platforms), from $493 a night. Estoril Vintage is a boutique hotel set in a restored Baroque palace in Estoril, Portugal, opened in 2022.

Onyria Marinha Cascais, Vignette Collection by IHG, Cascais: 4.0 ± 0.3 (fair evidence, 2 of 4 platforms). Onyria Marinha Cascais is a 111-room hotel set in the Quinta da Marinha area of Cascais, Portugal, within grounds that include sea cliffs.