abstract
adventure
background
beacon
beam
blue
boat
brand
building
business
coast
company
danger
darkness
design
direction
element
emblem
guide
hope
icon
isolated
landmark
light
lighthouse
logo
maritime
nautical
navigation
navy
night
ocean
safe
safety
sea
search
searchlight
security
ship
shipping
shore
sign
signal
storm
symbol
tower
travel
water
waves
white