Travelling south you head through Cornwall either along the A30 over Bodmin, (normally the quickest way) or via Plymouth and over the bridge.
Simply head towards Helston coming either route.
You travel towards Helston on the by-pass heading towards the Lizard. You will the pass the Helicopter base 'Culdrose' on both sides of the road .
After passing the base you will come to an island turn left here following the road to St Keverne, at the next Island turn right again towards St Keverne you will now travel for 5-10 minutes (speed depending) over ''Goonhilly'' passed the telecommunications centre.
You then arrive at St Keverne, turn left into the square keeping the White Hart pub on your left then turn left out of St Keverne passed the fire station on your left.
Follow the road towards Porthallow, you will pass some gates on your right with stone eagles at their entrance shortly after this take the next right, (signposted) then next left to Porthkerris dive centre.
Please remember the nearest petrol station is Zoar garage which you will pass on your way to St Keverne, it may be an idea to fuel up here.
For information on bus services, click here