No ore patches, expand from a small island. Also install the 'Sea Block Pack - Official' mod for a complete modpack
Large total conversion mods.
Got this error: https://tinyurl.com/yx9pfhhu
Seablock version 0.3.4 Factorio 0.17.26 using the mods needed for Seablock(Angel's bio processing/refining/ etc. etc.)