Tenerife Sunset

First week using new K5 luckily in Tenerife at time.View from pool bar near Los Gigantes, Tenerife. Teken with standard 18-55mm kit lens (from old Km) 125th sec @ F18. Photo is untouched apart from slight use of unsharp mask to bring out ripples on water.
I know sunsets have been done to death but I've waited a long time to capture one like this - to help me move forward with this exceptional camera critiques would be very much appreciated please,