Heres my track log into the lagoon and around the big bombie, I anchor around 310. BUT, at all times, it's best to make your way into the lagoon during daylight hours and save ya track for the night time entry.
299 S23 36.319 E152 09.286
300 S23 36.377 E152 09.355
301 S23 36.446 E152 09.403
302 S23 36.466 E152 09.409
303 S23 36.519 E152 09.411
304 S23 36.577 E152 09.404
305 S23 36.625 E152 09.408
306 S23 36.756 E152 09.358
307 S23 36.831 E152 09.271
308 S23 36.876 E152 09.343
309 S23 36.905 E152 09.436
310 S23 36.886 E152 09.520
311 S23 36.770 E152 09.518
312 S23 36.687 E152 09.476
313 S23 36.608 E152 09.417
387 S23 36.794 E152 09.321
cheers LP