The El Rey was a kelp cutter which was sunk in 1987 in 75' of water off of Mission Bay as an artificial reef site.
Note the square holes along the sides and the framework at the left side of the image. This is a kelp cutting arm.
This image, as shown on the California Wreck Divers information page, shows the El Rey working harvesting kelp.
The Ruby E was a Coast Guard Cutter which was sunk as an artificial reef in 1989. This image was taken at a 150m range scale setting. Still a number of features are visible, including the bridge superstructure,
This 50m image of the Ruby E reveals much greater detail. Here the bow points to the left and it is possible to make out both forward and aft deck entry cutouts, detail of the superstructure, the mast and railing.
This US Coast Guard photograph of the Ruby E shows the ship as she was originally configured.
The Yukon was a Canadian Destroyer which went to the bottom as an artificial reef. It went down prematurely and landed on its port side. This unique low angle view shows many detailed features such as the main guns, bridge, hatches and even the dolphin shaped cutouts sculpted into the bow.
