Wonders of the Seas Turquoise Collection - 12x20" Lumbar Couch / Bed Toss Pillow Cover - Ocean, Sea, Coral and Star Fish - Turquoise Blue, White and Gray / Grey Hues - 1 Cover, 2 Looks by Chloe & Olive, http://www.amazon.com/dp/B00CL3UCSE/ref=cm_sw_r_pi_dp_d0jXrb0X0KDKZ
for a nautical bathroom...this would still just make me think of floating poo.
Sea Nursery Art Beach Themed Framed Set of 4 8x10 handmade baby paper art modern nursery teal coral whale seahorse starfish chevron nautical
Sea Nursery Art Beach Themed Framed Set of 4 8x10 handmade baby paper art modern nursery teal coral whale seahorse starfish chevron nautical by BaxterBabyDecor on Etsy https://www.etsy.com/listing/255430308/sea-nursery-art-beach-themed-framed-set
I think these (glass buoy style) Plastic Float String Lights would look great decorating the patio at a sunset BBQ.
Turquoise Coral Pillow Cover 20" Starfish Coastal Decor Decorative Square Home Decor Pillow, Wonders of the Seas Turquoise Collection on Etsy, $27.00