At these retreats in places like Costa Rica, California and the Berkshires, you’ll learn how to express your desires, enhance intimacy and build self-confidence.

All-inclusive retreats around the world aim to cultivate wellness and longevity though high-tech tests, “biohacking” treatments, meditation, breath work and more.

A growing number of spas and resorts are offering programs that target the changes of perimenopause and menopause. The biggest benefit may be the chance...