Orchids or some beautiful flower arrangement in a nice vase.

Gift certificate for a great restaurant.

Cheese of the month.

Gift card for her favorite healthy restaurant and/or some sailing related gadgets (waterproof playing card, waterproof bag, backpack cooler etc)

stuff for her user at the beach house - luxurious robe, slippers and huge "bath sheet" type towel.

Burdick's chocolate. It's amazing how well they ship it, it's always perfect even in summer.

It's my SIL's birthday this week, and I complete spaced on getting her a gift, so I'm looking for something that can be delivered quickly. She's turning 50, has teenage kids, is a pediatrician, loves sailing, likes healthy food, owns a beach house and is a wonderful person. Things that I've given in the past that I think she's liked (though she's too polite to ever say she doesn't like something).

--tea of the month subscription
--books
--stuff for the beach house
--massage gift certificate (though gift certificates aren't always the best, since they have plenty of money and she could just pay for a massage if she wants)

What have been your favorite gifts? Help! I want to spend $100-$150.

Thanks!