We tuned the difficulty in the latest patch just a moment. Sorry for your bad experience :(
And it is implicit that larger ground will atrract more sharks.
Thank you! After the most recent patch I no longer have any trouble getting up to a stable living state!
One thing that's a little bit concerning is that now Seagulls are littering my landscape. Maybe a "dump it into the ocean" option might be nice for excess feathers as I don't exactly need 30 hammocks.