Shell Key is an undeveloped barrier island in Tampa Bay featuring expansive seagrass beds. This shallow site is suitable for beginners, with depths ranging from 1 to 3 metres and an average of 1 metre. Access is by boat only, as the site is located 2400 metres from the shore. Divers and snorkellers may encounter snails, which are very common, alongside uncommon sightings of drum and croaker, horseshoe crabs, various crabs, and sea hares. Conditions vary, with visibility between 3 and 10 metres and mild currents. Hazards include boat traffic, rip currents, strong currents, and surf.

Egmont Key in Tampa Bay features the submerged ruins of Fort Dade, including historic gun batteries from the Spanish-American War. These structures now function as an artificial reef in shallow water, with depths averaging 2 metres. The site is accessible only by boat, located approximately 2575 metres from shore. Divers and snorkellers can expect mild currents and visibility ranging from 5 to 15 metres. Due to the presence of sharp coral and active boat traffic, caution is advised. The site is suitable for intermediate divers and offers excellent conditions for snorkelling.

Passage Key Sandbar is a low-lying, remote sandbar located at the mouth of Tampa Bay. This site is accessible only by boat and features shallow, sandy-bottomed waters with depths ranging from 1 to 2 metres. It is well-suited for beginners looking for a casual snorkel experience. Visibility at the site varies significantly, ranging from 5 to 18 metres depending on conditions. Divers and snorkellers should be aware of potential hazards, including boat traffic and mild to strong currents. The water temperature fluctuates throughout the year, reaching a high of 31C in the summer months and dropping to 18C in January.

Bean Point is located at the northernmost tip of Anna Maria Island, where the Gulf of Mexico meets Tampa Bay. This shore-entry snorkel site features a natural sandbar and a secluded environment. Conditions at this location are variable, with strong currents and rip currents present, making it suitable for intermediate snorkellers. Water temperatures range from 18C in January to 31C in July and August. Parking facilities are available for visitors. Due to the presence of strong currents and sharks, snorkellers should exercise caution when entering the water.

St. Pete Beach Reef is an artificial reef located in Tampa Bay. Access to this site requires a boat. Divers can expect depths ranging from approximately 7 to 11 metres, with an average depth of 10 metres. Visibility at the site is variable, reaching up to 27 metres. Given the depth and site type, this location is suited for intermediate divers. Water temperatures fluctuate throughout the year, ranging from 18C in January to 30C during the peak summer months of July and August.

Spanish Rocks is a shore-entry reef and artificial reef site located 100 metres off the coast of St Petersburg. The site features a mixed structure with depths ranging from 15 to 25 metres, averaging 18 metres. Divers encounter mild currents, making the site suitable for beginners. Visibility varies significantly, ranging from 1 to 20 metres, so checking local reports is recommended. Entry requires caution due to potential surf and shore breaks. The site is also accessible for night diving, with typical dive times around 50 minutes. Divers should remain aware of boat traffic and carry a cutting tool to mitigate entanglement risks.

Spanish Rocks is a reef located 100 metres offshore in Tampa Bay. This shore-entry site is suitable for beginners, though divers should be prepared for a long surface swim to reach the reef. The site features depths ranging from 15 to 25 metres, with an average depth of 18 metres. Conditions include mild currents and visibility typically between 10 and 20 metres. Hazards at this location include surf and potential low visibility. Night diving is permitted, and a typical dive lasts approximately 45 minutes. Parking facilities are available for visitors. Species recorded around this area include bonnethead, shortnose batfish, horseshoe crab, drum, croaker, gurnard, snake eel, Atlantic spadefish, spotfin burrfish, honeycomb cowfish, sea star, crab, bream, hermit crab, and pigfish.

Clearwater Reef in Tampa Bay is a compact site featuring a combination of natural reef, artificial reef, and wreck structures. Located 69 metres from shore, this site is suitable for intermediate divers. Depths range from 3 to 6 metres with an average of 4 metres. Divers should expect mild currents and variable visibility between 2 and 15 metres. Entry is from the shore, requiring careful management of surf and shore break. Hazards include boat traffic, rip currents, and the presence of stonefish and sea urchins on the sandy bottom. Divers are advised to shuffle their feet when entering and monitor local visibility reports before diving.