Intercontinental Estoril, CascaisIntercontinental Estoril in Cascais, Portugal has a corrected score of 4.0 ± 0.2 (solid evidence, 3 of 4 platforms), ranked 5 of 34 hotels we score in Cascais. Its platform ratings, normalised to 0-5, average 4.2 before correction: Booking.com 4.0, Tripadvisor 4.1, Google 4.5. Rooms from about $377 a night (cached, not a live quote).The InterContinental Estoril is a five-star hotel on the Atlantic coast of the Portuguese Riviera, between Estoril and Cascais. Built in 2015, it has 59 rooms and suites, each with a balcony or terrace looking over the gardens or Cascais Bay. Facilities include indoor and outdoor pools, a spa with sauna and massage services, a restaurant, room service and valet parking, and the hotel welcomes pets. Beach access is direct, and Lisbon is roughly a 30-minute drive away. It suits couples and business travellers wanting a quieter coastal base rather than a city stay. Be aware the property is small for an InterContinental, and some guests report service can be slow at busy times.What stands out

Staff described as welcoming and helpful

Breakfast served with water views

Both indoor and outdoor pools

Balconies with ocean or garden views

Watch out for

Hotel is quite small

Service can be slow

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.