This one-acre pool, which is up to 12ft deep by the overflow near the entrance, holds mirror, common and ghost carp to the mid teens; chub to 4lbs; roach, rudd and crucians to over 1lb; and bream and tench to 3lbs.
Like all the pools at Butlers Hill, it fishes well on both rod and pole whilst float and ledger techniques are equally effective.
In summer, floating baits are particularly successful for anglers after the carp, which can usually be seen cruising just under the surface on warm evenings, and the chub which take bait readily off the surface.
Although the banks drop sharply to about five or six feet deep around the edges and for much of its depth, the two islands have ledges around them before shelving to the bottom.
Whilst many anglers fish successfully in the open water in the centre of the pool, it is often more effective to fish either just under your feet or to use a ledger or two or three swan shot on a running ledger to reach the island ledges where the fish patrol.
Trying to reach the ledges with a waggler can be tricky because of the overhanging branches.
Of the three Butlers Hill pools, Island is the most popular with carp anglers who use both modern and traditional techniques and baits.
Because of its depth it also fishes well in winter.
Indeed, one February an angler fishing the pole took over 45 fish weighing between 3lbs and 8lbs in one sitting baiting with small pieces of luncheon meat and loose feeding pellets.
Best baits for the silver fish are maggots, worm, sweetcorn, luncheon meat, cat food and pellets whilst anglers after the bigger carp rely on all of the above plus boilies of various flavours.