Hey Sharky
Prince Grant....Would that be in between Zinkwazi and Stanger?
If so, I have fished that area well and hard. also known as HB's
Deep Sea charters is available at Blythedale Beach, launching from Umvoti Mouth.
There is a fish shop in Stanger called Davids Fish Shop. Speak to David himself, his boats go out daily and should cost you around R150/R200 for a good workout.
Tight lines
Drop_shot