I put my 27 foot gasser on the beach but in Texas and I usually follow the tracks.
It is an experience but make sure you have an extraction plan.
Is there a service nearby that will come?
How far off the road can he get to you without heroic and extra cost equipment? HOW MUCH WILL HE CHARGE during business hours and after business hours
Do you have planks to drive onto? Like 2X10 by 6 foot so you can get a good running start if you have to?
You may have to sacrifice the planks.
Getting moving is usually the hard part and unless something unusual happens once you are moving you should stay moving.
Remember the laws of physics. A body in motion tends to .......
The only picture you might like is
http://i178.photobucket.com/albums/w266/kajtek1/Baja2.jpg