Post Ranch Inn

Post Ranch Inn sits on the cliffs above Big Sur, and its spa is part of a recent, ground-up redesign rather than an original feature of the property. There are now five treatment spaces set among the redwoods, including the new Redwood Sanctuary wellness suite, and an expanded treatment menu to go with them.

This is a hotel spa in the fullest sense: access is limited to guests staying at the inn, and there's no day-pass option for outside visitors. Couples treatments are offered, which fits the resort's overall emphasis on private, secluded accommodations with soaking tubs and ocean or forest views built into the rooms themselves.

Beyond the spa, the property includes Sierra Mar, a restaurant that holds a MICHELIN Green Star, and the inn itself carries a MICHELIN Three Key rating, one of a small number of hotels in the US to do so. All of this places the spa within a broader luxury retreat experience rather than a standalone treatment center, so a visit here means booking a room at Post Ranch Inn first.

For anyone planning a stay with wellness in mind, the redwood setting and ocean-adjacent location are the main draws, paired with the privacy of individual treatment spaces. Specifics on pricing, hours and the full treatment list aren't published, so those details are worth confirming directly with the inn when booking.