Oooh, my people here.
A house-leaving checklist before leaving (bins/electrics/water/petrol/tyre pressures) - can leave home stress-free once it is all ticked off.
A packing list - varied to destination/activity
Packing cubes - 1 for each activity - sailing/yoga/swimming/daywear
Small Asda plastic sandwich box - for non liquid cosmetics - mascara, lippy, liner - in hand-luggage - just open it in bathroom on arrival, everything there easy to see.
Repurpose old body-butter containers - colour coded for ease (headphones/tablets/cotton buds/jewllery)
Small ear defenders in handbag and also in beachbag
Decathlon hot peach microfibre sheet - as beach towel and sarong
Google maps in advance - to look for patches of shallow sea water/interesting snorkelling sites
Crocs - both for hotel room - and safe on multiple terrains - beach, rocks, distance walking, sea swimming, poolside and in town
Roche Posay SPF 50 sunscreen for face, inc lip-balm
Conference delegate plastic card holders - on a shoelace - for room keys
Lightweight rucksack as a day bag - with small repurposed plastic bottle topped up with sunscreen
Waterproof MP3 music player with new music - to use in the pool
Diving mask and snorkel - use Crocs in place of heavy flippers (unless in tidal waters 😬)
Mifi - mobile data wifi unit.