For a general, positive shine:
* Sparkling
* Shimmering
* Gleaming
* Lustrous
* Brilliant
* Radiant
For a more subtle, soft shine:
* Dewy
* Glossy
* Sheen
* Polished
* Reflective
For a wet or watery shine:
* Moist
* Damp
* Wet
* Dew-kissed
For a slightly negative, unnatural shine:
* Greasy
* Oily
You could also use an adverb like glisteningly to describe something that is glistening.
The best choice will depend on the specific object or situation you are describing.