From the street, The Cave Store looks like a charming, vintage souvenir shop on Coast Boulevard. But behind a modest wooden door lies one of La Jolla’s most adventurous secrets: a hand-dug tunnel leading 145 steps down through the sandstone cliffs into Sunny Jim’s Sea Cave.

This is one of a few sea caves in California accessible by land. Digging began in 1902 by a German engineer (and entrepreneur) named Gustav Schultz. While originally built for tourism, local lore insists the staircase used to smuggle whiskey and other contraband during Prohibition, a colorful chapter of La Jolla’s history.

Today, the tunnel offers a thrilling, slightly eerie descent into the heart of the cliff. At the bottom, you stand on a wooden platform inside the cavern, looking out at the open ocean. You might even spot a California sea lion swimming past the opening. The cave gets its name from the shape of the opening, which reportedly resembles the profile of “Sunny Jim,” a British cereal mascot from the 1920s.

The experience:

• The tunnel: The 145 steps are steep and can be damp, adding to the adventure. It takes about 15 to 20 minutes round-trip.
• The shop: Upstairs, the store itself is a treasure trove of local art, jewelry and sea-themed curios. It is a great stop for unique souvenirs during a day of La Jolla shopping.
• The view: A unique perspective of the ocean that you usually only get from a kayak tour.

Who it’s for:

History buffs, families looking for unique things to do with kids and anyone looking for a unique photo op that doesn’t require a wetsuit.

Good to know:

• Physical effort: Walking back up the 145 steps is a workout. It is not recommended for those with mobility issues or claustrophobia.
• Winter advisory: During winter and rainy days, the steps can be slippery. Wear shoes with good grip.
• Location: The store serves as the trailhead for the beautiful Coast Walk Trail, making it the perfect starting point for a scenic hike.
• NearbyeEats: You will likely work up an appetite. The historic Brockton Villa (famous for Coast Toast) is right next door, or walk up the hill for a view at George’s at the Cove.
• Parking: Street parking here is extremely competitive. We recommend using a nearby garage found in our Ultimate La Jolla Parking Guide.