The whole Island looks fantastic
BUT
they don't take caravans and due to a spinal injury there's no way I can tent camp anymore

You can take camper vans onto shell island as long as it's got an awning which you say you're going to sleep in. It's for insurance purposes the van then becomes a means of transport which is ok for the insurance.

rennie reformed elctrons and said

You can take camper vans onto shell island as long as it's got an awning which you say you're going to sleep in. It's for insurance purposes the van then becomes a means of transport which is ok for the insurance.

Still sounds wonderful BUT I only have a van so will have to gaze longingly at the site

Probably by going to the CL at Fegla Fach on the south side of the Estuary near Fairbourne and Morfa Mawddach

Shell Island does look good. Are there enough facilities - toilets showers etc, to cover the amount of people that go there? i understand there is only one shower/toilet block - I may of got this wrong. Do you book a pitch or just find a place?

Dont want to be miles away from loo etc!!! But also would want a nice pitch, pref near the beach.

Shell Island is huge,,,, Yes there is only ONE shower block on Island but it does have at least 20 showers. You may have to que for showers during main season,,, especially morning time. I found taking my shower in the evening much better.

There is also a toilet block. There are Green Porta-loos dotted all over the Island. We like to camp further away from main area in the dunes near the beach so we always take our toilet tent and porta-loo anyways.

My advice is to go there for a day-trip first if possible and take a drive/walk round the island. It costs £5.00 to access the island for the day (per car).

You can not book to camp on Shell, You just turn up. Only time I have seen people turned away was at Bank Holiday weekend as the island was full.

Hope this helps