Beach bats, volley ball, dips in the ocean and long walks – aah balmy days on the beach are just the best. Blue bottlesAlso known as Portuguese Man o’ War, these marine cnidarian consist of a gas-filled bladder and long venomous tentacles that are known to deliver a painful sting when making contact with human skin. Blue bottles normally occur on the surface of the ocean and can be blown to shore and into bays by strong winds. They are found all along South Africa’s coastline. Sea urchins Jellyfish Anemone Glass and rusted metal What to do in case of injury: Clean the wound with salt water while on the beach and once you get home gauge how deep the cut is. If it’s only a shallow abrasion, apply antiseptic lotion and plasters – if you haven’t had a tetanus shot in the past 10 years, it would also be a good idea to ask a doctor’s advice about this. If it’s a deep cut, seek out medical advice immediately, as you may need stitches and almost certainly a shot.