Choose the word whose underlined part is pronounced differently from the others

Newquay is small town (16) __________ the Atlantic coast in the south of England. It has got great beaches and is the (17) __________ place to surf in the UK. In Newquay, there are lots of other things to do as (18) __________ as surfing. If you likewater sports, you can go kayaking, water-skiing or coasteering. Coasteering is different because it is rock climbing jumping into the sea and swimming in the same activity, but you (19) __________ always go with a special instructor. If you like animals you can also visit the Blue Reef Aquarium and (20) __________ a lot of different fish and even sharks. You can also go (21) __________ on the beach or visit Newquay Zoo. Come and see for yourself.