Coastal Lamptrai, or Lamptrai Paraliai () or Lamptra Paralios (ÃÂìüÃÂÃÂÃÂñ ÃÂñÃÂìûùÿÃÂ), also known as Lamptrai Hypenerthen (ÃÂñüÃÂÃÂÃÂñὶ á½ÂÃÂÃÂýõÃÂøõý) or Lamptra Hypenerthen (ÃÂìüÃÂÃÂÃÂñ á½ÂÃÂÃÂýõÃÂøõý), both meaning Lower Lamptra[i], was a deme of ancient Attica. Lamptrai Paraloi and nearby Upper Lamptrai (Lamptrai Kathyperthen) were between Anagyrus, Thorae, and Aegilia. At Lamptra, the grave of Cranaus was shown.
The site of Coastal Lamptrai was near modern Kitsi.