Sea 
To dream of the sea reflects your current emotions, whether it was rough or calm. It also symbolizes the conversion between your unconscious and conscious mind. The dream may also suggest your observation of a certain situation or feeling. There may be a notion that you need to 'see' more clearly. In addition, the dream may represent a need for confidence and security, or the need to offer someone else comfort and ease.
Seal
To dream of a seal represents your good humor and ability to entertain others. It can indicate that you are proficient at integrating various notions and inspirations in certain circumstances. Seals indicate victory, triumph, and personal awareness. It also denotes wealth, loyal, devoted comrades, and confidence in a loving relationship. The dream may also represent the necessity to resolve a pending issue.
Seance
To dream of a seance symbolizes your instincts and consciousness. It implies that you must investigate something more thoroughly. It is necessary for you to observe the world rather than focusing on minute details. You may yearn to discover spiritual awareness.
Search
To dream that you are searching for something indicates that your life is lacking something of importance. Perhaps you are seeking an explanation to a question or dilemma.
Seasick
To dream that you are seasick indicates that you are harboring negative thoughts and feelings that are making you feel depressed. These emotions must be discarded.
Seaweed
To dream of seaweed indicates that you must be confident that your feelings and perceptions will guide you down the right path.
Sea Gulls
To dream of sea gulls signifies that you must let go of a troubling issue or concern.
Sea Horse
To dream of a sea horse signifies the strength of your instinct and intuition. It may also symbolize a change in perception or attitude.
If the sea horse is invisible, then it indicates that you need to face your personal concerns rather than trying to evade them. Perhaps you need to adopt a fresh approach to a situation.
Seashells
To dream of seashells symbolizes the need for refuge and sanctuary. You are keeping your emotions and feelings hidden from others. This is being done in an effort to prevent yourself from being wounded emotionally, but the outcome will have you shutting the rest of the world out.
Seat Belt
To dream that you are wearing a seat belt implies that you are having difficulty expressing your feelings. You must learn how to control negative emotions and stay focused.
To dream that you are having trouble putting on your seat belt represents concerns that you have regarding upcoming events or situations.
Tar
To dream of tar denotes your total dependency on someone in your walking life. Consider ways to become more self-reliant and sufficient. Tar often represents a poor self-image.
Bed
To dream of your bed symbolizes a realization of your sexual needs and desires. You are becoming aware of your needs. If you are sleeping in your own bed then it implies that you feel comfortable and at ease. You are seeking happiness and solace in your home life. If you are waking up in different and/or unknown beds then it symbolizes the end results of your choices.
To dream that you are searching for a bed signifies your struggles to accept your inner sexuality. You are bothered by restrictions and limitations that you feel have been placed on you. It may also imply that you seek comfort and bliss at home.
To dream that you are going to bed with a stranger implies that you are too trusting and accepting of others. You need to slow down and scrutinize people before allowing them access to your inner feelings.
To dream that you are floating or lifting up into the air from your bed indicates your feelings of isolation and loneliness. Perhaps your character is too forward and intense for others to handle. You should relax a bit and try not to be too pushy with your beliefs and attitudes.
Sand
To dream of sand indicates that you are having a change of heart or your position on a certain issue has been altered. It may also mean that you need to shift your outlook to something more productive or significant.
To see wet sand in your dream signifies that your life is in a chaotic state and you need to achieve order.
Time
To dream about time reflects concerns about dealing with anxiety and apprehension.
To dream that there isn't enough time symbolizes worry and concern. It could literally mean that you are facing a deadline to get something completed.
Boat
To dream that you are in or see a boat indicates that you are adept at handling your feelings and communicating them to others. Consider the appearance of the water you are sailing on. This can indicate your emotions. Is the water serene, choppy, or stormy? Is it opaque or cloudy? It may also represent your willingness to acknowledge your own personal characteristics and attributes.
To dream that you are trying to jump off a boat implies that you have the desire to tackle your obstacles and deal with troubling feelings.
Heat
Many people get a burning feeling across their body whenever they are embarrassed. Similarly, to dream of feeling heat indicates embarrassment or shame.
A different interpretation for heat is purity and energy.
Blue
To dream of the color blue symbolizes honesty, integrity, intelligence, dedication, solace, and divinity. You may be wanting to escape from the pressures of life. You have an extremely positive outlook on life and believe that you will experience only good in your future.
Depending on the context of your dream, the color blue can also reflect a mood of anguish and despair.
Shore
To dream of the shore symbolizes that you have been able to reconcile an internal conflict and you are now at peace with your feelings. It also represents where your emotions and reason intersect.
Spice
To dream of spice indicates that you should implement diversity and try different things. Perhaps you should take an alternate view on a certain circumstance in your life.
Twigs
To see twilight in your dream signifies an end to unpleasant conditions in your life.