San Ysidro Ranch

San Ysidro Ranch is a resort spa attached to a 38-cottage historic property tucked into the foothills above Montecito, just outside Santa Barbara. Access is limited to hotel guests staying on the grounds rather than walk-in day visitors, which fits the overall feel of the place: private, slow-paced, and built around the cottages rather than a separate spa wing open to the public.

The property has a long guest list that includes Groucho Marx, Winston Churchill, and John and Jackie Kennedy, who honeymooned in a cottage that still carries their name. Laurence Olivier and Vivien Leigh married on the grounds. That history is part of what people come for as much as any treatment menu — the setting is gardens, citrus groves, sycamores and oaks, with individually decorated cottages that have stone fireplaces, four-poster beds and, in some cases, oversized sunken tubs and outdoor rainfall showers.

Dining is included with every stay rather than billed separately, spread across a few distinct venues on site: a restaurant in a converted 19th-century citrus packing house, a speakeasy-style cocktail bar, and a veranda known for afternoon tea. For couples weighing whether this is worth the trip, the honest answer is that it's less a drop-in spa day and more a full resort stay where the spa, gardens and dining are bundled into one overnight experience aimed at seclusion rather than quick access.

This sits at the top price tier for spas in the Santa Barbara area, and the audience is squarely couples rather than solo day-trippers or groups.