(hidden words, anagrams, and a few cryptic clues. the word island or isle is mostly ommited from answer)
5, mixed up prodigal(8)
6, drag ruin (8)
7, followers(5)
8, shot fare(8)
11, holy labourers(2,5)
13, lots of clicking here (4,4)
17, at home quietly(4)
19, cogitate(4)
21, wander after two directions(7)
22, risk planned trees(8,8)
23, rulers lost his right(6)
24, move slowly near huntly(9)
27, 12 hours in Caithness, they say(4)