Palm Beach is perhaps the capital of "drift diving" for the United States. It is here that the Gulf Stream comes closest to shore. One of the easiest forms of diving, drift diving basically consists of getting in the water, descending to the bottom and drifting along with the prevalent current. The boat follows at a safe distance and is readily available to pick divers up when they finish their dive. Several full service dive stores and charter boats are in the area. You have several options at this point.

(60 feet) - The prettiest reef in the Palm Beach area. It has a 4 to 8 foot ledge, graced with a statue of King Neptune at the north end of the reef. There are lots of beautiful creatures to be found here such as turtles, stingrays and lots of tropical fish and invertebrates.

45-60 feet; two miles of reef with a five to fifteen foot ledge absolutely packed with fish. Large sea turtles are often seen here with many unusual species of fish including batfish, morays, pancake fish, stargazers, puffer, scorpionfish, and stingrays. THE TRENCH
http://www.palmbeachfl.com/attractions/diving.html

Washed ashore on Singer Island by a hurricane in 1965, the Amarilys was sunk as part of Palm Beach County's Artificial Reef Program about 30 years ago. This 441 foot banana freighter sits upright in 85' of water only a few hundred yards northeast of the Mizpah. This wreck is popular with divers because the huge size of the ship can be easily enjoyed thanks to the Gulfstream current and the great visibility. Although massive, the entire ship is seen by drifting with the current from the stern to the bow. The deck was removed, but the hull and lower deck remain. In most places, the walls of the hull rise 15 to 20 feet and are covered with a large variety of attached sea life. As divers drift the wreck, sheltered from the Gulfstream's current by the ship's hull walls, you will come upon the ship's enormous engines and mechanical systems, which are covered with corals. Because the Amarilys rests in the open sand, it has become a center of sea life, attracting schools of fish, including jacks, snapper and other tropicals. These wrecks draw huge schools of fish, including jacks and schoolmaster, and sportfish like sailfish, cobia and snook. Eagle rays, morays, barracuda and sharks are also seen frequently.

http://www.sportextreme.com/Diving/Scripts/Dive.page.List.15141_TopList.177_index.html - from SPORTEXTREME.com

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Day in and day out, this Riviera Beach location may well be the best shore dive in Florida. It has two distinct sites, tons of small critters for the macro person, enough big fish to keep you looking around, and best of all, it's free, day or night. Click for Photos of critters commonly found here.