The Sharm el Naga Diving Center is an excellently managed diving center (currently run by a Dutch diving instructor couple). The base has Nitrox, equipment from Scubapro and Mares, does all the courses in different languages according to PADI or CMAS.
You can dive at the very beautiful house reef or after short boat trips. In the first week of October 2018, several divers reported diving with whale sharks.