Advice on Diving inCosta Rica

...throughout the year. Sharks of all species, including huge schools of hammerheads, mantas, other ray species, and large bait balls are common. Waters can be rough and the diving is advanced with most dive sites being deep and with current. But it’s worth it for the adventurous, thrill-seekers who are trying to get up close and personal with the ocean’s largest predators. On the flip side the Caribbean has warm waters and easy, relaxed dives with lots of fish. Some areas (especially in the north) have been decimated by run-off from large banana plantations, but in the south the reefs are c...