The way

1. Start at Driftstone377, 8, 788
2. Swim 3 blocks to Driftstone
3. On the way: Driftstone378, 9, 790
4. Swim 3 blocks to Driftstone
5. On the way: Driftstone379, 8, 793
6. Swim 11 blocks to Driftstone
7. On the way: Driftstone369, 7, 794
8. Swim 58 blocks to Driftstone
9. On the way: Driftstone331, 7, 803
10. Swim 4 blocks to Driftstone
11. On the way: Driftstone334, 8, 805
12. Swim 5 blocks to Driftstone
13. On the way: Driftstone330, 8, 808
14. Walk 337 blocks to Driftstoneswim 63 · swim up 13 · swim up 6 · swim up 2 · 3 drops, 35 at most
15. On the way: Driftstone277, 8, 886
16. Swim 16 blocks to Driftstone
17. On the way: Driftstone263, 7, 892
18. Swim 2 blocks to Driftstone
19. On the way: Driftstone261, 8, 891
20. Swim 76 blocks to Driftstone
21. On the way: Driftstone247, 8, 931
22. Swim 1 blocks to Driftstone
23. On the way: Driftstone248, 8, 934
24. Swim 10 blocks to Driftstone
25. On the way: Driftstone245, 8, 942
26. Walk 319 blocks to Driftstoneswim 129 · swim up 3 · swim up 18 · 4 drops, 11 at most
27. You're at Driftstone377, 8, 788