Safe Beach fun with a toddler🏖️🐚

First time mom here ☺️...this maybe a dumb question 😬😬..... But what are some safe practices for when you take your toddler to the beach? We are heading to the the beach for the 1st time with our 18 month old daughter. We know to not take our eyes off of her and to not let her loose in the water . But, my main worries are her eating sand or getting sand in her eyes... Any suggestions or advise? We want her to have fun and not be too over protective