▁the ▁province ▁is ▁less ▁than ▁ 1 5 ▁m ▁above ▁mean ▁sea ▁level ▁( ms l ), ▁it ▁r ises ▁to ▁about ▁ ▁above ▁m sl ▁along ▁its ▁in land ▁side . ▁It ▁is ▁the ▁largest ▁ge omorph ological ▁province ▁in ▁Florida . ▁Due ▁to ▁its ▁low ▁elev ation , ▁the ▁province ▁was ▁at ▁sea ▁level ▁during ▁war mer ▁periods ▁of ▁the ▁P li oc ene ▁and ▁Ple ist oc ene , ▁and ▁features ▁such ▁as ▁ancient ▁d unes ▁and ▁sand ▁bars ▁are ▁found ▁far ▁in land . ▁Marine ▁terra ces ▁found ▁in ▁the ▁G ulf ▁Coast al ▁Low lands ▁include ▁the ▁Silver ▁Bl uff ▁[ ▁to ▁ ▁above ▁mean ▁sea ▁level ▁( ms l ) ], ▁Pam lic o ▁[ ▁to ▁ ▁above ▁m sl ], ▁Tal bot ▁[ ▁to ▁ ▁above ▁m sl ], ▁Pen hol ow ay ▁[ ▁to ▁ ▁above ▁m sl ] ▁and ▁W ic om ico ▁[ ▁to ▁ ▁above ▁m sl ] ▁terra ces . ▁ ▁The ▁G ulf ▁Coast al ▁Low lands ▁include ▁l ago ons , ▁bar rier ▁islands , ▁coast al ▁sw amps ▁and ▁mar sh es ▁and ▁d rown ed ▁coast al ▁kar st ▁( Big ▁B end ▁Coast ) ▁along ▁the ▁coast . ▁Fe atures ▁of ▁the ▁G ulf ▁Coast al ▁Low lands ▁include ▁the ▁Des oto ▁P lain , ▁W ak ulla ▁Hills , ▁Wood ville ▁Kar st ▁P lain , ▁T ates ▁Hell ▁Sw amp , ▁Lake ▁Mun son ▁Hills , ▁Be acon ▁Slo pe , ▁F ount ain