Swordfish Steaks with Ginger Marinade

1 1/2 lb Swordfish steaks' 1" thick
1/4 tsp salt
1/4 cup lime juice
ds cayenne pepper
2 tbsp olive oil
1 garlic clove; crushed
1 tsp fresh ginger, finely chopped
1 lime, cut in wedges

Cut large fish steaks into pieces. Mix remaining ingredients in shallow glass dish. Place fish in dish; turn to coat with marinade. Cover and refrigerate at least 1 hour.
Remove fish from marinade. Cover and grill about 4" from medium coals, 15-20 minutes, brushing 2-3 times with reserved marinade and turning once, until fish flakes with fork. Serve with lime wedges if desired.