If you're looking for the best fishing and water sports in the area, head to Playa Entrega,to the west of Bahía Santa Cruz, where dozens of fishermen aren't shy about offering their services from the moment you set foot in the sand. It's a great place to go out on a fishing boat in the early morning (negotiate a price with one of the captains on the beach); when you come back to Playa Entrega, have one of the little seafood restaurants on the beach, such as Restaurant Arrecife, cook up your catch. Lobster fishing is another option, as are snorkeling and kayaking.
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