The Oasis by Don Carlos, MarbellaThe Oasis by Don Carlos in Marbella, Spain has a corrected score of 3.5 ± 0.2 (fair evidence, 4 of 4 platforms), ranked 20 of 30 hotels we score in Marbella. Its platform ratings, normalised to 0-5, average 3.6 before correction: Booking.com 3.8, Tripadvisor 4.1, Google 4.0, Agoda 2.7.The Oasis by Don Carlos is an adults-only boutique hotel within the Don Carlos Leisure Resort & Spa in Marbella, about 10 km from the town centre and a short walk from the beach. Its 35 rooms, suites and apartments come with private terraces, air conditioning, free Wi-Fi and flat-screen TVs, and the grounds include subtropical gardens, two outdoor pools, tennis courts and a beach club. Guests also get access to a sauna, steam bath and full-service spa offering treatments such as aromatherapy and body wraps. It suits couples and adults seeking a quieter resort stay, though the distance from central Marbella means a drive or taxi for evenings out.What stands out

Adults-only setting within a large resort

Private terraces on all 35 rooms

Spa with sauna, steam bath and treatments

Beach club and two outdoor pools

Watch out for

Roughly 10 km from Marbella town centre

About 40 minutes by car from Málaga Airport

Better-scored in Marbella

Anfitrion Marbella Villas & Suites, Marbella: 4.3 ± 0.2 (solid evidence, 3 of 4 platforms), from $648 a night. Anfitrion Marbella Villas & Suites is a boutique aparthotel in the Villa Marina district of Puerto Banus, Marbella.

Mett Hotel Marbella Estepona, Marbella: 4.2 ± 0.2 (fair evidence, 3 of 4 platforms), from $528 a night. Mett Hotel Marbella Estepona is a five-star beachfront resort on the New Golden Mile, the coastal strip between Estepona and Marbella on Spain's Costa del Sol.

Don Carlos Marbella, Marbella: 4.1 ± 0.3 (fair evidence, 2 of 4 platforms), from $682 a night. Don Carlos Marbella is a five-star beachfront resort on the Costa del Sol, between Marbella and Málaga.