Super Mario Sunshine/Sirena Beach blue coins

There are thirty coins to be found in Sirena Beach. Some are outside the hotel, some are inside, and a few are in the casino. Since you can't enter the hotel in every episode, and only enter the casino in two episodes, location is important when you select and episode to find a coin.

To make locating the hotel rooms a bit easier, label them from left to right A-F for the floor above the lobby, and G-K for the next floor up. So taking the stairwell to be north, go up one flight from the lobby to find A, B and C on the east wall, D on the south wall, and E and F on the west wall. Then go up another flight to find G and H on the east wall, I in the southeast corner, and J and K on the south wall, with the rest of the floor being taken up by the pool. You can reach every room in every episode except 1, 2, and 6, see the walk-throughs for episodes 3 and 8. But it's easiest to just wait until episode 7 when all the room doors are open.

Ocean floor
Go to the left end of the beach and keep following the cliff to the left until the water starts to get deep. Dive and look around for the coin that's on the ocean floor. Available every episode.

Cabana
Head toward the hotel and look under the roof of the cabana on the right to find a blue coin and a gold coin. Hop on the bar and hop again to get the coins. Available starting episode 2.

Hotel ledge
Go around to the back of the hotel. There will be a blue coin sitting on a ledge one floor up. To reach it, back-flip into the wall behind the hotel and wall jump toward the hotel, then hover to the ledge. Available starting episode 2.

Room A
Find a blue coin in a row with two gold coins in the bedroom. Available all episodes except 1, 2, 6.

Room B
Find a blue coin in a square with three gold coins. Available all episodes except 1, 2, 6.

Room H
Find a blue coin in a rectangle with five gold coins. Available all episodes except 1, 2, 3, 6.

Room G
Spray the mirror over the bed to make a blue shine logo appear. When the logo is fully formed a blue coin pops out. Available all episodes except 1, 2, 6.

Room I
Spray the empty shelves on the left (next to the upturned couch) to make a coin pop out. Available all episodes except 1, 2, 6.

Room C
Break the box closest to the doorway leading to room B to get a coin. Available all episodes except 1, 2, 6.

A blue coin is near the start point. Go straight and there is a standing block in front of you. Squirt it from the other side, and there's a blue coin!

Before you enter the hotel, spray the fires surrounding the hotel and one of them should have a blue coin.

All 30

 * 1) Underwater off the coast of the beach (all episodes). Ocean floor
 * 2) Spray the sign overlooking the sunset (all episodes).
 * 3) Spray the second torch from the left in front of the hotel (all episodes).
 * 4) Clean the M Graffiti by the hotel (episodes 7 and 8).
 * 5) Water the sunflower garden beside the hotel (episodes 2 thru 8).
 * 6) Underneath a hut (episodes 2 thru 8) Cabana
 * 7) Outside the hotel on the back of the second floor (episodes 2 thru 8). Hotel ledge
 * 8) (Now inside) Corresponding Triangle marks [floors 1 and 2] (episode 7 and 8).
 * 9) Same as above (episode 7 and 8).
 * 10) Corresponding X marks [1F and 2F] (episode 7 and 8).
 * 11) Same as above (episode 7 and 8)
 * 12) Spray the skylight [3F] (episodes 3,4,5,7,8)
 * 13) M Graffiti [3F] (episodes 7 and 8).
 * 14) Spray the lamp [3F] (episodes 3,4,5,7,8)
 * 15) In the room behind the Boo poster [Attic to 3F] (episodes 3,4,5,7,8) Room H
 * 16) Go back to the room, and spray the empty bookcase [3F] (episodes 3,4,5,7,8). Room I
 * 17) From there, Ground Pound the different colored tile [3F to 2F] (episodes 3,4,5,7,8) Room B
 * 18) Smash the box in the next room [2F] (episodes 3,4,5,7,8) Room C
 * 19) Defeat the Boo [Attic] (episodes 4,5,7,8)
 * 20) Go to the middle of the Attic and spray the M graffiti [Attic] (episodes 7 and 8)
 * 21) In the air duct [Attic] (episodes 3,4,5,7,8).
 * 22) From the Attic, find the room with the mirror and spray the mirror [Attic to 3F] (episodes 3,4,5,7,8) Room G
 * 23) From there, Ground Pound the table for to find a blue coin [3F to 2F] (episodes 3,4,5,7,8) Room A
 * 24) (Back outside) Wash the two Nokis (episode 6)
 * 25) Same as above (episode 6)
 * 26) (Inside) M Graffiti above the door [Casino] (episode 5)
 * 27) Ground Pound the slot machines [Casino] (episodes 4 and 5)
 * 28) Put out the torch [Casino] (episode 4 and 5).
 * 29) Clean the Nokis (outside) (episode 6)
 * 30) Same as above. (episode 6).

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