Learning to dive in Costa Brava offers a wide view of the diving world. It has a wide range of dive sites, where you can see lobster, octopus, opisthobranchs, moray eel, bream, barracudas and more. If you are lucky, you can even see stingray and seahorse. One of the most famous opisthobranchs in Costa Brava is Vaquita Suiza (Peltodoris atromaculata), a small white mollusk with dark spots.
Besides the marine flora, you can see gorgonian with spectacular colors, lining the sea floor scenery of Costa Brava.