

Glenelg Jetty sits in Adelaide's beachside suburb, offering one of South Australia's most accessible dive sites for beginners. You can walk straight in from the beach or jump from the jetty itself, with depths ranging from 3 to 7 metres and visibility typically between 5 and 10 metres. The main attraction is 'The Blocks', an artificial reef structure beneath and around the jetty. These concrete formations have attracted a variety of reef species over the years, creating a compact ecosystem that's easy to explore in a single dive. The shallow depths mean you'll have plenty of bottom time to investigate every nook. Conditions here vary throughout the day. Boat traffic can pick up during busy periods, so keep your dive flag visible and listen for engines. The muck diving element adds interest, with sandy patches between the blocks where you might spot creatures that prefer softer substrate. January through March typically offers the best conditions, with warmer water and calmer seas. The site works equally well as a shore entry from the beach or as a quick boat dive. Current strength varies, but the shallow depth and sheltered location generally keep things manageable for newer divers building their skills.
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Keep a close eye on boat traffic, particularly around the jetty area, and consider a surface marker buoy if entering from shore. January through March tends to offer the most settled conditions for this site.
Access is from the shore at Glenelg. Snorkellers and divers can enter from the beach and swim along the jetty, or enter the water at the end of the jetty. The "Glenelg Blocks" are a 600m swim/dive west from the end of the jetty.
Shuffle your feet when entering from shore to avoid stirring up silt. If diving from a boat, be aware of other vessels and keep your dive flag visible.
Depth
2-7m
Visibility
5-10m
Skill Level
Beginner
Entry
Shore & Boat
Water Temp
11°C+
Current
Moderate
Typical Dive
40 min
Best Time
Jan, Feb, Mar, Jun, Jul, Aug
Glenelg Jetty & 'The Blocks' in South Australia is ideal for beginner snorkellers, with shallow depths ranging from 3 to 7 metres and easy access from both shore and jetty. The sheltered location near Adelaide Metro provides calm conditions suitable for those new to snorkelling. The site's beginner-friendly rating makes it an excellent choice for first-time snorkellers or families.
The site offers dual entry options, allowing snorkellers to enter directly from the shore or via the Glenelg Jetty structure. Shore entry provides gradual depth progression ideal for beginners, whilst jetty entry offers direct access to slightly deeper areas around 'The Blocks'. Both entry points are located within easy reach of Adelaide Metro facilities.
Visibility at Glenelg Jetty & 'The Blocks' typically ranges from 5 to 10 metres, which is considered moderate for South Australian waters. Conditions can be affected by weather, tides and boat traffic in the area, so snorkellers should be aware of limited visibility as a potential hazard. Best visibility generally occurs during calmer summer months between January and March.
The optimal months for snorkelling at Glenelg Jetty & 'The Blocks' are January, February and March, during the South Australian summer. These months typically offer warmer water temperatures, calmer sea conditions and better visibility for exploring the jetty pilings and concrete blocks. Summer conditions also provide longer daylight hours for snorkelling activities.
Boat traffic presents the primary safety concern at Glenelg Jetty & 'The Blocks', as the site is located in an active maritime area near Adelaide Metro. Snorkellers must remain vigilant and use surface marker buoys to ensure visibility to passing vessels. Limited underwater visibility of 5 to 10 metres also requires extra caution when navigating around the jetty structure and blocks.
There is no entry fee required to snorkel at Glenelg Jetty & 'The Blocks' in South Australia. The site offers free public access from both the beach and jetty areas, making it an accessible option for budget-conscious snorkellers visiting the Adelaide Metro region. Snorkellers only need to bring their own equipment or arrange rental from nearby shops.
Diving at The Blocks in Adelaide Metro requires the following certifications: Open Water. Always dive within your training limits.
A drysuit recommended is recommended for diving at The Blocks in Adelaide Metro. Water temperatures can drop to 11°C.
The Blocks in Adelaide Metro is home to whiting, pipefish, crabs, old wives, seastars, and nudibranchs. Marine life sightings vary by season and conditions.
The Blocks in Adelaide Metro has depths ranging from 2 metres to 7 metres.
The Blocks in Adelaide Metro is excellent for snorkelling with a rating of 3 out of 5. Shallow areas start from 2 metres, making it accessible for snorkellers.
A typical dive at The Blocks in Adelaide Metro lasts approximately 40 minutes. Actual dive time depends on depth, air consumption, and conditions.
Yes, night diving is available at The Blocks in Adelaide Metro. Night dives often reveal different marine life including nocturnal creatures. Always dive with proper lighting and a buddy.