Meet the site
The Garden Island Ships' Graveyard, in the North Arm of the Port River, is one of the largest and most diverse ships' graveyards in the world. Around 25-26 vessels – sailing ships, steamships and iron barges launched between 1857 and 1920 – were abandoned here between 1909 and 1945 as the port modernised. Among them is the Santiago of 1856, described as the oldest intact iron-hulled sailing vessel, along with the wooden schooner Dorothy H Sterling (1920), the Glaucus, Sunbeam, Garthneill and the submerged Seminole. Today the hulks lie among grey mangroves around Garden Island, inside the Adelaide Dolphin Sanctuary established in 2005, and the South Australian Government promotes the site as a paddling trail. A 5 km loop from the Garden Island boat ramp takes two to three hours and passes the main wrecks; the lower the tide, the more there is to see, with ribs, frames and iron hulls rising from the mud and shallow water. Resident Port River dolphins are frequently seen. The graveyard was included in this region's list for completeness, but none of the dive sources consulted describe it as a dive site. The Port River is turbid and silty, visibility is typically close to nil, commercial and recreational boats use the channels, and the hulks are protected historic heritage. It is best experienced by kayak or small boat, and snorkelling or diving is not recommended. For divers interested in maritime history, the graveyard complements the Norma and John Robb offshore, and the Yankalilla Bay and other ships' graveyards around the state. Visit on a calm day at low tide, and take a kayak tour if you are new to the area.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Garden Island Ships' Graveyard is recorded as Wreck in Adelaide Metro. The listed access is boat (day trip). Confirm the actual meeting point, route and permission to visit; a map pin does not establish any of these.
Topics flagged by the stored research
These are questions prompted by the existing notes, not a verified or complete hazard assessment.
- Current and timing
- Ask how the operator assesses the current window for the actual route. Historical tide notes are not a departure instruction.
- Other water users
- Ask about vessel activity, exclusion areas and the agreed surface arrangements.
Historical access notes exist for this record, but have not been independently verified for current use. Request current directions from the operator or site manager rather than following an old entry description.
Questions, answered
Is Garden Island Ships' Graveyard suitable for my certification?
The record lists Snorkel/Any. That does not establish suitability for every route or day. Share your training, recent experience and equipment needs with the operator and ask about the specific proposed dive.
Can I book Garden Island Ships' Graveyard through YouDive?
YouDive is an independent research directory. Contact an operator directly to confirm whether it currently runs the trip, the inclusions and the booking terms.
What you might see
Bottlenose dolphins (Port River resident population), mangrove birds, estuarine fish; underwater life not documented
Location
About 25 abandoned hulks (1909-1945) in the North Arm of the Port River around Garden Island, among mangroves in the Adelaide Dolphin Sanctuary; a paddling trail rather than a dive site.
Facilities nearby
Garden Island boat ramp (parking); Port Adelaide cafes and the SA Maritime Museum nearby.
Before you make plans
Conditions, access and operator schedules can change. This is a location guide, not a dive plan. Ask a local operator about current conditions and suitability for your training and experience.
Sources & further reading
paddlingtrailssouthaustralia.org.auen.wikipedia.orgRecord updated 26 Sept 2026. Source claims are being reviewed.