Meet the site
Boat Trailer Reef is an unpretentious reef dive just outside Terrigal Haven, and its name tells you most of the story: a boat trailer was dumped or lost here years ago and now sits on the reef as a handy landmark, encrusted with growth and sheltering small fish. The Terrigal Underwater Group lists the site at 24 m, about 500 m offshore from The Haven, and notes that the wreck of the SS Yambacoomba lies nearby, which gives the dive a bit of historical interest beyond the reef itself. The reef is typical of the inshore Terrigal area: low sandstone ledges, boulders and gutters running down to sand, with kelp on the shallower tops and sponges, sea squirts and small gorgonians on the vertical faces. The trailer itself is the natural focus for photographers, since its frame and cross-members have become a mini artificial reef with encrusting growth, small blennies and gobies, and the occasional octopus or moray tucked into the gaps. Because it is so close to the ramp, the site is often used when conditions further out are marginal, as an easy second dive, or for Advanced and Deep training where instructors want 20 m-plus without a long boat ride. Fish life is what you would expect close to Terrigal: yellowtail and silver sweep over the reef, red morwong and blue groper around the ledges, wobbegongs on the sand edge, and seasonal cuttlefish. Divers looking for the Yambacoomba should manage expectations - it was a wooden steamer lost in 1917 and what remains is low and scattered. Combined with the reef and trailer, though, it makes a varied, low-effort dive that shows how much life a scrap of hard structure attracts on an otherwise sandy seabed.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Boat Trailer Reef is recorded as Reef in Central Coast. The listed access is boat. 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.
- Other water users
- Ask about vessel activity, exclusion areas and the agreed surface arrangements.
- Planned depth
- Confirm the intended route and training requirements; the recorded maximum is not a target.
- Water movement
- Ask how swell and local exposure affect the proposed entry, exit and route.
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 Boat Trailer Reef suitable for my certification?
The record lists Advanced Open Water. 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 Boat Trailer Reef 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
Yellowtail, silver sweep, red morwong, eastern blue groper, wobbegong sharks, cuttlefish, octopus, moray eels, blennies, sponges, sea squirts
Location
Reef about 500 m off Terrigal Haven, named after a discarded boat trailer lying on it, with the scattered remains of the steamer Yambacoomba nearby.
Facilities nearby
Departs Terrigal Haven: paid parking, toilets, kiosk and dive shop.
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
terrigalunderwatergroup.comcoastmagazine.com.auRecord updated 26 Sept 2026. Source claims are being reviewed.