I just dove Carambola the other day for the first time, friends who dive with them every week invited me and we had a great time. They bring a golf cart up to the parking lot for your gear, take you to the shop to set up or if you need to rent gear, then take you and gear to the beach. They of course appreciate if you get your air fills from them or rent tank and weights. My friends who go there weekly said there is no charge for the delivery service, so I tipped the young man who drove me around $10. A good deal in my opinion.
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Deeper, I just ran a hotels.com search and it looks like the only pet friendly hotels are The Palms At Pelican Cove and Hibiscus Beach Resort. Not known for their beach diving. There are a bunch of pet friendly units on vrbo.com.