Wow, PeterInBrat, you're an expert! - cooler bag is excellent idea - cold drinks are pricey on the beach, you'll pay off your investment in the bag with the savings - also, scanning and emailing documents! Love it!
- A couple of small wallets or pouches to carry large denominations separately
- a small, light-weight powerful flashlight, if you think you might go off the beach at night (many parts of the street are not well lit, and very uneven)
- a washcloth if you are addicted to using one (I've found many places here do not regularly stock washclothes in the bathroom)
- I would bring umbrellas only if you have lots of extra room ... this time of year, we usually only get "flash showers", not all-day rains, and if you do get wet ... how much does it really matter?
- mosquito repellant and feminine hygiene are premium prices here, cheaper to bring with you if you need
- magazines, books, sudoku and crosswords for the beach, if you want that stuff (you won't easily get it here)
- you can now get basic potato chips and chocolate bars here, but if you want snackies for the beach like nuts, trail mix, seeds, granola bars, etc., may want to bring with you (keep in mind that you may prefer fresh fruit snacks while here)
- a pair of sturdy sandals / shoes for more active excursions, and some kind of backpack or carryall
- as a tourist in Cabarete, you're only likely to wear jeans if you go horseback riding, or if you prefer them for nightclubs rather than a skirt or dress - your call to bring them