Cala Sardinera offers clear, calm waters that are generally good for swimming and snorkeling. As a hidden bay, it provides a more secluded experience. However, access is via a trail or boat, which might be challenging for very young children or those with mobility issues. The beach itself is a mix of pebbles and rocks, so water shoes are advisable for comfort.

To best enjoy the secluded nature of Cala Sardinera, visit during the shoulder seasons (late spring or early autumn) or on weekdays. Early mornings are also ideal to experience its tranquility before more visitors arrive. Avoiding the peak summer months and weekends will ensure a more peaceful and less crowded experience, allowing you to fully appreciate its hidden charm.

Cala Sardinera is primarily accessed by a hiking trail, which can be steep in parts, or by boat. There is no direct road access to the beach itself. The trail typically starts from a viewpoint or designated parking area above the cove. For boat access, you can rent a boat or join a local excursion from Xàbia's port, offering a unique approach to this hidden bay.

Cala Sardinera is a natural, undeveloped cove, meaning there are no facilities such as restrooms, lifeguards, or food vendors directly on the beach. Visitors should come prepared with all necessary supplies, including water, snacks, and sun protection. For dining and other amenities, you would need to return to Xàbia town or other nearby developed areas.

Cala Sardinera is considered a hidden bay due to its challenging access, primarily by trail or boat, which deters casual visitors and keeps it off the main tourist routes. Its secluded location means it doesn't appear prominently on generic maps as an easily accessible beach, preserving its untouched beauty and offering a more adventurous and private experience for those who seek it out.