You can enter 2 ways here: 1) you can swim through the first cut to the left in the lagoon, but make sure its higher tide or 2-3 ft. waves coming in. It is the best way to enter but you really have to "claw" your way through the rocks in the cut. The "cut" is a space in the wave break wall that allows waves to pass through. 2) You can enter at a small sandy patch to the left that faces Ali Wai canal. It is a long boring shallow swim until you reach the corner of the wave break wall. I've always seen turtles here, some smaller cowries, the normal Hawaiian reef fish, and alot of debris (garbage). Make sure you have a dive flag with you for this dive due to the boat traffic to and fro the Ali Wai canal. I did once see a 5 foot white tip reef shark here a few dives back, as soon as he/she saw us it was gone. Visibility is not always the best here, especially if it has rained in the last few days. The worst thing about this dive is the walk from the parking lot to the entry point...all in all it is an ok dive. Heineken is always welcome in the Ali Moana beach park on Magic Island.