Quino El Guardian
I went to Socorro via the Quino El Guardian in December 2019/January 2020 and it was without a doubt the best bucket list experience ever! The marine life is unbelievable. Almost anything you can imagine is there. Massive and graceful manta rays, playful dolphins, and sharks galore - galapagos, silky, oceanic whitetip, tiger and hammerhead sharks.
As for the boat itself, it gets the job done! The experience is real and the whole crew was amazing. Not to mention that the food was some of the best I've had.
I highly recommend this trip. I look forward to going again one day.