Lawai Beach in Kauai is a shore-access reef site situated directly in front of the Beach House Restaurant. The reef lies close to the shoreline, allowing for an accessible swim to explore the underwater topography. Snorkellers typically spend around 45 minutes in the water, which maintains temperatures between 24C and 27C throughout the year. Visibility at this site varies between 3 and 10 metres, with an average depth of 3 metres. Due to the presence of surf, rip currents, and sharp coral, this site is best suited for intermediate-level snorkellers. Facilities including parking, toilets, and showers are available for visitors.

Fish Bowls in Kauai is a diverse dive site featuring a combination of reef, artificial reef, and canyon topography. Divers can expect depths ranging from 14 to 29 metres, with an average depth of 21 metres. Access to this site is by boat only. Conditions are variable, with moderate currents and visibility typically between 15 and 30 metres. The water temperature ranges from 23 to 26 degrees Celsius throughout the year. Due to the presence of sharp coral, strong currents, and potential surf, this site is best suited for intermediate divers. A typical dive duration at this location is 45 minutes.

Koloa Landing in Kauai is a shore-entry reef site suitable for beginners. Divers and snorkellers can explore depths ranging from 3 to 18 metres, with an average depth of 10 metres. Conditions vary, with visibility typically between 15 and 30 metres and mild currents. The site is accessible for night diving, with typical dives lasting around 45 minutes. Hazards to be aware of include boat traffic, surf, surge, and potential for low visibility. Facilities at the location include parking and toilets.

Sheraton Caverns in Kauai consists of a system of partially collapsed lava tubes, archways, and partial overhangs. This marine site offers a variety of swim-throughs and nooks within the volcanic rock formations. Depths range from 6 to 21 metres, with an average depth of 12 metres. Access is by boat only, located 365 metres from the shore. Conditions include mild currents and visibility between 12 and 30 metres. The site is suitable for beginners and supports night diving. Divers should be aware of hazards including boat traffic, the overhead environment of the caverns, and surf conditions. Typical dives last approximately 60 minutes.

Poipu Beach Park on the south shore of Kauai is a popular reef site defined by a protected cove and a natural sand spit. The site offers shallow depths ranging from 1 to 4 metres, making it suitable for beginners and snorkellers. Access is via the shore, with facilities including parking, toilets, showers, and a rinse station available. Divers and snorkellers should be aware of variable conditions, including moderate currents, surf, and potential rip currents. The site features sharp coral, requiring caution during entry and exit. Typical dives last approximately 45 minutes, with visibility ranging between 5 and 15 metres depending on local conditions.

Poipu Beach on Kauai is a popular shore-entry snorkel site featuring a shallow reef environment. The area offers depths ranging from 1 to 4 metres, with an average depth of 3 metres, making it well-suited for beginners. Snorkellers can expect visibility between 5 and 15 metres. Water temperatures remain consistent throughout the year, ranging from 24C to 27C. Facilities at the beach park include parking, toilets, showers, and equipment rental. While the site is accessible, visitors should be aware of potential hazards including surf, rip currents, strong currents, and sharp coral. Typical snorkel sessions last approximately 45 minutes.

Fast Lanes is a drift dive site located off the coast of Kauai. The topography consists of a reef and artificial reef structure. Divers can expect depths ranging from 14 to 27 metres, with an average depth of 21 metres. Access to this site is by boat only. Conditions at this location are subject to strong currents, which require careful planning and experience. Hazards include sharp coral and the potential for strong currents. Due to the nature of the drift and current conditions, this site is best suited for experienced divers.

Salt Pond Beach Park on Kauai features a naturally protected lagoon suitable for both diving and snorkelling. The site consists of a reef environment with depths ranging from 1 to 10 metres, averaging 5 metres. Snorkelling is best in the rocky coves located on the far east side of the beach. Conditions vary, with visibility typically between 5 and 15 metres and mild currents. Shore access is available, and the site is suitable for beginners. Hazards include jellyfish, sharp coral, strong currents, and surf. Species recorded around this area include wrasses, Hawaiian convict surgeonfish, bluespine unicornfish, wedgetail triggerfish, butterflyfish, spotted boxfish, moorish idols, moray eels, green sea turtles, and Hawaiian monk seals.