Penang
An adults-only villa resort spa near Kepala Batas, Penang, with 18 private villas, spa treatments and plant-based dining; reservation required.
$$$$
Spas with private suites
122 spas match, page 6 of 6
Spa Alila
Hotel SpaBig Sur, California
Adults-only hotel spa at Ventana Big Sur with ocean-view treatment rooms, outdoor cabanas for couples, and a 24-hour fitness and yoga space.
$$$$