They had planned to convert old oil rigs into launch platforms, but abandoned the idea earlier this year: https://spacenews.com/spacex-drops-plans-to-covert-oil

They had planned to convert old oil rigs into launch platforms, but abandoned the idea earlier this year: https://spacenews.com/spacex-drops-plans-to-covert-oil-rigs-into-launch-platforms/ https://spacenews.com/spacex-drops-plans-to-covert-oil-rigs-...