coastwise
inshore
maritime
seaward
bordering
borderline
boundary
bounding
determinant
determinative
determining
extreme
fringing
frontier
limbic
liminal
limit
limiting
littoral
marginal
rimming
riparial
riparian
riparious
riverside
seaside
shore
shoreside
shoreward
skirting
terminal
threshold
Baltic
adjacent
arid
eastern
extensive
fertile
inland
mountainous
rural
suburban
swampy
tropical
wooded
bicoastal
postal