Gajalee
Suburbanites love this quaint seafood joint near Juhu Beach, which compares favorably with the best coastal restaurants Fort has to offer. The Phoenix Mall branch is sleek and modern, while the original Vile Parle location is a bit tacky and dated but better regarded (as most originals are).
There are other branches across India, including one at the High Street Phoenix Mall, so those staying down south don't have to travel too far to enjoy the fish.