The sea lion is the animal that doesnt do any harm, it signifies friendship, loyalty and playful side of your personality. If you played with sea lion, it could even mean that you have a very big love for animals or simply are ready to have a children of your own if you do not have them yet. The sea lion is also a symbol of your friends who make you feel happy and relaxed.
Dream dictionary: sea lion dream meanings
Additionally, read the interpretation about seal.