. ▁A ▁schedule ▁is ▁displayed ▁on ▁the ▁main land ▁just ▁across ▁from ▁the ▁island , ▁or ▁can ▁be ▁obtained ▁from ▁the ▁tour ist ▁office . ▁At ▁low ▁t ide , ▁the ▁island ▁is ▁connected ▁to ▁the ▁main land ▁on ▁the ▁Dou arn enez ▁( or ▁Eastern ) ▁side ▁of ▁the ▁est u ary . ▁ ▁History ▁ ▁Tr istan ▁be ars ▁traces ▁of ▁civil ization ▁d ating ▁back ▁to ▁the ▁Bron ze ▁Age . ▁The ▁written ▁history ▁of ▁the ▁island ▁begins ▁around ▁ 1 1 1 8 ▁when , ▁according ▁to ▁a ▁char ter ▁dated ▁ 1 1 2 6 , ▁Robert ▁de ▁Loc u van , ▁bishop ▁of ▁Corn ou aille , ▁don ated ▁the ▁Island ▁of ▁St ▁T ut u arn ▁and ▁the ▁lands ▁belonging ▁to ▁it ▁to ▁the ▁Ab bey ▁of ▁Mar m out ier . ▁As ▁a ▁result , ▁a ▁pri ory ▁was ▁built ▁on ▁the ▁island . ▁Dou arn enez ▁is ▁Bre ton ▁for ▁the ▁land ▁of ▁the ▁island , ▁as ▁the ▁pri ory ▁that ▁owned ▁the ▁site ▁on ▁which ▁the ▁town ▁was ▁later ▁built . ▁In ▁the ▁ 1 4 th ▁century , ▁the ▁island ▁became ▁known ▁as ▁Tr istan , ▁after ▁the ▁Bre ton ▁legend ▁of ▁Tr istan ▁and ▁I se ult . ▁ ▁One ▁of ▁the ▁most ▁colour ful ▁figures ▁associated ▁with ▁Tr istan ▁was ▁Guy ▁É der ▁de ▁la ▁Font en elle , ▁a ▁re bel - band it ▁who ▁took ▁possession ▁of ▁the ▁island ▁in ▁ 1 5 9 5 . ▁He ▁station