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Sheltered limestone reefs, seagrass meadows, and sponge gardens ring the island, creating a haven for Leafy Seadragons, seahorses, and colourful nudibranchs. The clear, protected waters and diverse underwater terrain reward snorkelers who make the short boat or kayak crossing from Tumby Bay.","intermediate",null,"published",{"name":59,"amplitude":75,"phase":91,"latitude":22,"model":107,"epoch":108},[60,61,62,63,64,65,66,67,68,69,70,71,72,73,74],"2N2","J1","K1","K2","M2","M4","MF","MM","N2","O1","P1","Q1","S1","S2","T2",[76,77,78,79,80,81,82,83,84,85,86,87,88,89,90],0.009895353633483213,0.015491462665572832,0.2517611930111305,0.07171233026784343,0.24448439801569222,0.002339370609635152,0.006307835344200197,0.007337024704845255,0.018088903785599984,0.17446732434252132,0.07394242392581783,0.042718110988297836,0.019903710282582823,0.2586867512460707,0.02057908538396066,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],181.6361532967059,275.31112035737334,249.11256694378352,172.78072400303935,130.1887624253808,127.38324078570332,145.58614284069088,268.6552894146156,197.80888302957575,233.74333595867645,247.40281431360958,218.8592893692716,335.7316530700497,171.13981675404375,168.49695469939766,"EOT20","1992-01-01T00:00:00Z",[110,114,118],{"name":111,"description":112,"severity":113,"season_start":56,"season_end":56},"Tidal currents","Strong tidal flows can develop between the island and the mainland, especially during spring tides.","warning",{"name":115,"description":116,"severity":117,"season_start":56,"season_end":56},"Boat traffic","Boat traffic in the channel between Tumby Bay and the island requires vigilance.","caution",{"name":119,"description":120,"severity":117,"season_start":56,"season_end":56},"Sharp limestone reef","Exposed bedrock and sharp limestone edges around the island.",{"directions":122,"parking":123,"facilities":124,"fees":128,"access_method":129},"Tumby Island is located 500 m east of the southern tip of Tumby Bay, Eyre Peninsula. Access is by boat or kayak from Tumby Bay township — the island itself is a conservation park with no jetty. Tumby Bay is 600 km west of Adelaide via the Lincoln Highway.","Car parking is available near the Tumby Bay foreshore at the jetty area and adjacent reserve.",[125,126,127],"parking","toilets","picnic_tables","No fees for snorkeling. 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