Rye Pier offers accessible shore diving and snorkelling in Port Phillip Bay, featuring a diverse mix of reef, seagrass beds, and sandy muck. The site is shallow, with depths ranging from 2 to 6 metres and an average of 4 metres. It is suitable for beginners, though divers should be aware of mild currents and plan their entry around slack high tide. Visibility typically ranges from 5 to 10 metres. Hazards include boat and jetski traffic, as well as fishing lines from the pier. A dive flag is recommended for safety. The site is also popular for night diving, with facilities including parking, toilets, and a nearby cafe.

10 Channel Marker is a drift dive located in Port Phillip Bay near Rye, Australia. The site is situated around a navigation marker at a consistent depth of 12 metres. Divers must access this location by boat and time their entry for slack water, as the channel is subject to strong tidal currents that can exceed 6 knots. Visibility typically ranges from 5 to 10 metres. Due to the active channel environment, divers should remain vigilant for boat traffic throughout the dive. This site is suitable for beginners who possess basic buoyancy control skills, with typical dive times around 50 minutes.

Blairgowrie Pier is a shallow shore dive in Port Phillip Bay, featuring a mix of pier pylons, artificial structures, and surrounding reef. Depths range from 2 to 7 metres, with an average of 5 metres. The site is suitable for beginners, though divers must remain beneath the pier to avoid heavy boat traffic. Visibility varies significantly from 5 to 25 metres. Water temperatures range from 12C to 20C, necessitating a wetsuit, hood, and gloves. Divers should be aware of potential entanglement from fishing lines and exercise caution around pier cross beams at high tide. A dive flag is required for all shore entries.

South Channel Fort is a submerged historical structure located 6000 metres from shore near Blairgowrie. This artificial reef offers depths between 5 and 12 metres, making it suitable for beginner divers. The site features a mix of reef and seagrass habitats. Divers should expect moderate currents, with the jetty and western side best dived on the ebb tide. Visibility typically ranges from 10 to 12 metres. Due to active boat traffic in the channel, divers must deploy a surface marker buoy upon ascent and remain aware of vessel movements. Water temperatures fluctuate between 12C and 20C throughout the year.

Bridgewater Bay in Blairgowrie is a shore-entry reef site featuring a rock pool accessible only at low tide. Depths range from 1 to 8 metres with visibility between 4 and 7 metres. The site is suitable for beginners, though the surrounding bay is exposed to surf and strong currents. Marine life recorded at the site includes snails, abalone, sea stars, the short-tailed ceratosoma, and the pot-bellied seahorse. Access requires navigating a steep staircase, and the pool becomes submerged and dangerous at high tide. Wetsuits are recommended due to water temperatures ranging from 12 to 20C. Be aware of cliff jumpers and slippery seaweed on rocks during entry and exit.

Rosebud Pier in Rye offers a shallow, accessible shore dive suitable for beginners. The site features pier pilings and surrounding seagrass beds that function as an artificial reef. Divers can expect depths between 2 and 8 metres with visibility ranging from 5 to 15 metres. Marine life commonly encountered includes Pot-bellied Seahorses, Fiddler Rays, and Eleven-armed Sea Stars. Less frequently, divers may spot Smooth Rays, Port Jackson Sharks, Reef Squid, and various crustaceans. Currents are generally mild, though divers should remain vigilant regarding boat traffic and fishing lines near the structure. Facilities including parking, toilets, and showers are available nearby.

Sorrento Pier is a shallow shore dive located 20 metres from the beach in Blairgowrie. The site features a sandy bottom and pier pylons at depths between 3 and 6 metres. Diving here requires advanced skills due to extremely strong currents and heavy ferry traffic. Divers must use a surface marker buoy and plan dives strictly around slack water to avoid being swept away or pulled into ferry propellers. Visibility typically ranges from 4 to 7 metres. The site is suitable for night diving, with parking and a cafe available nearby. Divers should exercise caution regarding entanglement in ropes and debris found around the pier structure.

Diamond Bay in Blairgowrie is a challenging shore dive suited for advanced divers. The site features a reef and kelp forest environment at depths ranging from 4 to 9 metres, with an average of 6 metres. Divers must navigate strong currents exceeding 2 knots and significant surge. Visibility typically ranges between 5 and 10 metres. Due to exposure to ocean swell and rapidly changing conditions, the site is not always diveable. Divers should be cautious of entanglement hazards from fishing lines cast from the cliffs above and sharp reef structures. Parking is available at the site, but entry requires careful assessment of the surf before proceeding.