Longevity Senses - Cascais Boutique Hotel & Clinic, CascaisLongevity Senses - Cascais Boutique Hotel & Clinic in Cascais, Portugal has a corrected score of 3.3 ± 0.6 (thin evidence, no platform scores), ranked 22 of 34 hotels we score in Cascais. Its platform ratings, normalised to 0-5, average 4.6 before correction.Longevity Senses is a small seafront boutique hotel and clinic on the coast between Cascais and Guincho Beach in Portugal. Rooms sit within a green garden that holds a saltwater outdoor pool, and guests also get an indoor heated pool, Turkish bath, sauna, hot tub, sensory showers, an ice fountain and a gym. A free buffet breakfast is included, and the clinic side offers personalised health, wellness and anti-aging services, with free WiFi and parking on site. It suits travellers who want a quiet, wellness-focused stay by the sea rather than a busy resort. The breakfast spread is reported to be more limited than what nearby local cafés offer.What stands out

Attentive staff and high service quality

Strong spa and massage services

Indoor and outdoor pools

Clean, spacious rooms

Watch out for

Breakfast has fewer options than local cafés

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.