Complex sentence: Life on the island was very isolated due to its inaccessibility; until as late as 1894 it had no landing place, which meant that boats had to be landed directly on the beach and pulled up above the waterline.
Split into simpler sentences: Life on the island was very isolated due to its inaccessibility. Until as late as 1894 it had no landing place, which meant that boats had to be landed directly on the beach and pulled up above the waterline.