Step off a boat twenty minutes from Cartagena's walled city and you're in a different world entirely — white sand, turquoise water, and a beach club culture that has quietly become one of the Caribbean's best. Between Tierra Bomba, Barú, and the Rosario Islands, there are more options than ever. But not all of them deserve your day. The islands at a glance Tierra Bomba Barú / Playa Blanca Rosario Islands 15–30 min by boat. Closest island. No national park fee. Wide range of c